Question

Use the substitution method to solve the system of equations.
Y=4x
8x+y=18

Answer 1

(3/2,6)

Explanation:

y = 4x

8x + y = 18

8x + 4x = 18

12x = 18

x = 3/2

y = 4(3/2)

y = 12/2

y = 6