Question

-5x+y=-2 solve system of equations by subtraction

Answer 1

EQUATION 1)    -5x+y=-2   =====> Multiply by 6
EQUATION 2)    -3x+6y=-12 

1)    -30x+6y=12
2)    -3x+6y=-12

SUBTRACT BOTH EQUATIONS

-27x=0
x=0

-5(0)+y=-2
0+y=-2
y=-2