Question

Galena is solving the following system.Step 1: She multiplies equation (3) by 3 and adds it to equation (1). Step 2: She multiplies equation (3) by –7 and adds it to equation (2). Which statement explains Galena’s mistake?

Answer 1

Answer:

She did not multiply equation (3) in step 2 by the correct value.

Step-by-step explanation:

Answer on edge

Answer 2

Answer:

Step-by-step explanation:

C. is the correct answer.