Question

Solve the system by substitution.
-7x + 5y = -27
y = 2x

Answer 1

(-9,-18)

Explanation:

-7x +5(2x)=-27

-7x+10x=-27

3x=-27

`(3x)/(3)`=
`(-27 x)/(3)`

x= -9

y=2(-9)

y=-18