Algebra 1 : How to find the solution for a system of equations

Study concepts, example questions & explanations for Algebra 1

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Example Questions

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Example Question #91 : Equations / Solution Sets

Solve for  only: 

Possible Answers:

Correct answer:


In order to solve for the  variable, we will need to use the elimination method.

Subtract the first equation with the second equation in order to eliminate the  variable to solve for .

After subtracting equation one with equation two:

Use this value and either equation to solve for . Let's choose the first equation.

Subtract twelve from both sides.

Simplify both sides.

The answer is: 

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