A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. 10x – 5y = 90 10x + 7y = 66 Add to eliminate x. Subtract to eliminate x. Subtract to eliminate y. Add to eliminate y.
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. 10x – 5y = 90 10x + 7y = 66 Add to eliminate x. Subtract to eliminate x. Subtract to eliminate y. Add to eliminate y.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter6: Systems Of Linear Equations And Inequalities
Section6.2: Substitution
Problem 34PFA
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