7X-2y=-39
X+5y=5
Multiply bottom equation by 7.
7x - 2y = -39
7x +35y = 35
Subtract top equation from bottom.
37y = 74
Solve for y, then x.
X+5y=5
7x - 2y = -39
7x +35y = 35
Subtract top equation from bottom.
37y = 74
Solve for y, then x.