Question

3X - 5Y = -9, 2x + 2y = 10

Answer 1

3x-5y=-9 (move the 3x to the other side)

-5y=-3x-9 (divide both side by -5)

y=3/5x+9/5

2x+2y=10

2y=-2x+10

y=-x+5

Explanation: