Question

Please help me, no random answers or links, please.

Answer 1

3. (-3,4) x=-3, y=4

Explanation:

1. 3x-y=-13

-y=-13-3x

y=13+3x

2. 4x+2y=-4

4x+2(13+3x)=-4

4x+26+6x=-4

10x+26=-4

10x=-4-26

10x=-30

x=-30/10

x=-3

3. y=13+3x

y=13+3(-3)

y=13-9

y=4