Question

4x + 5y = 7

3x – 2y = –12

Answer 1

Process of elimination. Eliminate one variable and then use it to find the other.

Answer 2

Thanks

Answer 3

4x + 5y = 7

3x – 2y = –12

Let's eliminate out x's first. Common multiple is 12, so multiply the first equation by -3 and the second equation by 4

-3(4x +5y = 7)
4(3x-2y = 12)

What do you get?

Answer 4

-2,3

Answer 5

you can eliminate y instead of x too right?