# ISEE Middle Level Math : How to find the solution to an equation

## Example Questions

### Example Question #21 : How To Find The Solution To An Equation

Explanation:

First, add up the numbers in the parentheses:

Then, multiply:

Sove for :

Explanation:

Solve for :

Explanation:

Solve for :

Explanation:

Solve for :

Explanation:

### Example Question #22 : Equations

Nathan is riding his bike to baseball practice. If he needs to travel 12 miles, how long will it take him to get there if he pedals at a rate of 5 miles per hour?

Explanation:

Divide:

Answer: It will take Nathan at least 2 hours, plus an additional .

So it will take him 2 hours and 24 minutes.

### Example Question #21 : Equations

What is a?

Explanation:

First, subtract:

Then divide each side by 3:

### Example Question #22 : Equations

What is b?

Explanation:

First, subtract 6 from each side:

Then, divide each side by 9:

### Example Question #23 : Equations

What is b?

Explanation:

First, subtract 7 from each side:

Then, divide each side by 4:

What is ?