158k views
2 votes
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

-9x + 4y = 17
9x + 7y = 5

A. Subtract to eliminate x.
B. Subtract to eliminate y.
C. Add to eliminate y.
D. Add to eliminate x.

User Bhupen
by
7.6k points

1 Answer

1 vote

Answer:

Add to eliminate X that way it will be much easier to solve the system of equations.

Explanation:

-9x + 4y = 17

9x + 7y = 5

11y = 22

Last step is to divide both sides by 11 and your answer should come to 2!

User Max Taldykin
by
7.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.