Solve System of Equations Using Substitution: CCSS.Math.Content.HSA-REI.C.5

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Algebra › Solve System of Equations Using Substitution: CCSS.Math.Content.HSA-REI.C.5

Questions 1 - 10
1

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we subtract from each side.

Now we divide by

Now round to the nearest hundredth.

2

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we add to each side.

Now we divide by

Now round to the nearest hundredth.

3

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we add to each side.

Now we divide by

Now round to the nearest hundredth.

4

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we subtract from each side.

Now we divide by

Now round to the nearest hundredth.

5

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we subtract from each side.

Now we divide by

Now round to the nearest hundredth.

6

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we add to each side.

Now we divide by

Now round to the nearest hundredth.

7

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we add to each side.

Now we divide by

Now round to the nearest hundredth.

8

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we add on each side.

Now we divide by

Now round to the nearest hundredth.

9

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we add -17.8349082823791 to each side.

Now we divide by

Now round to the nearest hundredth.

10

Solve for and . Round your answer to the nearest hundredth.

Explanation

The first step to do is solve for a variable. Let's solve for first.

Now we subtract from each side.

Now we divide by

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we subtract from each side.

Now we divide by

Now round to the nearest hundredth.

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