For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? - x - 2y = - 4 and 3x + y = 12

A.) - 2y - 4

B.) 2y - 4

C.) 2y + 4

D.) - 2y + 4

Question

Macy

19 October, 19:51

+3

Answers (1)

Know the Answer?

Pranav Olson · Answer 1

-x - 2y = - 4

Isolate x:

-2y = - 4 + x (add x to both sides)

-2y + 4 = x (add 4 to both sides)

The answer is D

For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? - x - 2y = - 4 and 3x + y = 12A.) - 2y - 4B.) 2y - 4C.) 2y + 4D.) - 2y + 4