101k views
11 votes
Which of these strategies would eliminate a variable in the system of equations?

2x - 5y = 13
-3x+2y = 13
Choose all answers that apply:
Subtract the bottom equation from the top equation.
B
Multiply the top equation by 2, multiply the bottom equation by 3, then add the equations.
Multiply the top equation by 3. multiply the bottom equation by 2, then add the equations.

Which of these strategies would eliminate a variable in the system of equations? 2x-example-1
User Sonny Boy
by
4.8k points

1 Answer

9 votes
I think the third (and last) answer is correct, because it would successfully eliminate the x variable when adding downwards. If you want me to explain in more detail feel free to ask :)
User Priyanka Lopes
by
4.6k points