Question

Solve by substitution.
5x-3y=-4
x+y=-4

Answer 1

x=-2,y=-2

Explanation:

x+y=-4

x=-4-y--(3)

substitute (3) in (1)

5(-4-y) -3y=-4

-20-5y-3y=-4

-8y=16

y=16/-8

y=-2

substitute y in (3)

x=-4-(-2)

x=-2