Question

Use substitution to solve the linear system of equations.

x = 4
-y = 1/2x

A) 4, 2
B) -2, 4
C) 2, -4
D) 4, -2

Answer 1

D) 4,-2

Explanation:

x=4, Thus x=4

-y=(1/2)(4)

-y=2

y=-2