Question

Solving systems of equations using substitution y=4x+2 7x-4y=-8

Answer 1

Explanation:

7x - 4(4x +2) = -8

7x - 16x -8 = -8

-9x = 0

x = 0

y = 2

Answer 2

(0,2)

Explanation:

7x - 4(4x + 2) = -8

7x - 16x - 8 = -8

-9x = -8 = -8

-9x = 0

x = 0

y = 4(0) + 2

y = 2