Question

Question: Solve the system by the substitution method. y = -4x - 10 2x + 5y = -14

Answer 1

Y=-4x-10
2x+5y=-14

2x+5(-4x-10)=-14
2x-20x-50=-14
-18x=36
x= -4

y=-4(-4)-10
y=16-10
y=6