Question

Plz help

Solve the system by Substitution

y=2x+15

7x+2y=−14


A(-6, 3)

B(4, -7)

C(6, -7)

D(-4, 7)

Answer 1

D

Explanation:

y=2x+15

7=2(-4)+15

7=15-8

7=7

7x+2y=-14

7(-4)+2(7)=-14

-28+14=-14

-14=-14