A system of equations is shown below. Equation A: 5x + 9y = 12 Equation B: 4x - 3y = 8 Which method eliminates one of the variables? 1 Multiply equation A by - 3 and add the result to equation B. 2. Multiply equation B by 3 and add the result to equation A. Multiply equation A by 2 and equation B by -6 and add the results 3. together. Multiply equation B by 5 and equation A by 4 and add the results 4. together.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.7: Solving Systems Of Linear And Quadratic Equations
Problem 30HP
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A system of equations is shown below.
Equation A: 5x + 9y = 12
Equation B: 4x- 3y = 8
Which method eliminates one of the variables?
1
1.
Multiply equation A by - 3 and add the result to equation B.
2.
Multiply equation B by 3 and add the result to equation A.
Multiply equation A by 2 and equation B by -6 and add the results
3.
together.
Multiply equation B by 5 and equation A by 4 and add the results
4.
together.
Transcribed Image Text:A system of equations is shown below. Equation A: 5x + 9y = 12 Equation B: 4x- 3y = 8 Which method eliminates one of the variables? 1 1. Multiply equation A by - 3 and add the result to equation B. 2. Multiply equation B by 3 and add the result to equation A. Multiply equation A by 2 and equation B by -6 and add the results 3. together. Multiply equation B by 5 and equation A by 4 and add the results 4. together.
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