Question

Use the substitution method to solve the system of equations. choose the correct ordered pair. ​

Answer 1

D

Explanation:

A. 2(2) - (-2)= 4+2=6

B. 2(2) - (-1) = 4+1=5

C. 2(7) - (4) = 14 - 4= 10

2(7) - 2(4) = 14 - 8 = 6 doesn't = 4

D. 2(8) - (6) = 16 - 6= 10

2(8) - 2(6) = 16 - 12 = 4 = 4