Question

5y - 2x = -15
x= 3y+ 8

Answer 1

5(-1) - 2(-5) = -15 . y=-1 x=-5

Explanation:

5y - 2x = -15

5y - 2 (3y+ 8) = -15

5y-6y-16=-15

-y-16=-15

+16 . +16

-y=1

(-1)y=1(-1)

y=-1

5(-1) - 2x = -15

-5-2x=-15

+5 . +5

2x=-10

x=-5

5(-1) - 2(-5) = -15

-5-(-10)=-15

-15=-15