Question

-7x+8y=-109

Answer 1

Is there more to this question what do you need to do with it?

Answer 2

the full question was 3x+6y=42 & -7x+8y+-109

Answer 3

are you solving for x, y or graphing or etc.

Answer 4

using the elimination method

Answer 5

okay if you want help you have to put the whole question not just part of it because they is many different ways to solve problems we have to know what you have to do so I would say close this question and write the whole thing out as a question