When using elimination by multiplication, you have to pick which equation to multiply by. Then you decide which number you want to multiply by. After, you have multiplied, you have to add or subtract to eliminate one variable. Solve for the remaining variable and then solve for the other. When solving for the next variable use one of the original equations

Example 1: Multiply One Equation to Eliminate


Example 2: Multiply Both Equations to Eliminate eliminat.png

Practice Problems:
7-4 practice problems
Answer Key:
7-4 answer key

Helpful Links :
Practice and how to Link

Elimination Using Multiplication- Algebra 1 Online!