Math

Solve 3x + 5y = - 4 and - x - 5y = 8

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- x - 5y = 8

- x - 5y+5y = 8+5y

-x= 8+5y

-x/-1= 8/-1+5y/-1

x=-8-5y

3x + 5y = - 4

3(-8-5y) + 5y = - 4

3(-8) (3)(-5y) + 5y = - 4

-24-15y+5y=-4

-24-10y=-4

-24-10y+24=-4+24

-10y=20

-10y/-10=20/-10

y=-2

x=-8-5y

x=-8-5(-2)

x=-8+10

x=2