Question

A system of equations is shown below:

Equation A: 2c = d − 8
Equation B: c = 3d + 8

Which of the following steps should be performed to eliminate variable d first?

Multiply equation B by 2.
Multiply equation A by 2.
Multiply equation B by 3.
Multiply equation A by −3.

Answer 1

@Mehek14

Answer 2

Multiply equation A by −3

Answer 3

because when you add -3 + 3 = 0

Answer 4

so that eliminates d