Question

Using Elimination (combination), which variable will cancel out on the 1st step?

4x - y = -38

x + y = 3


(A) The variable X will cancel out first.

(B) The variable Y will cancel out first.

(C) No variables will cancel on the first step.

(D) Both variables will cancel on the first step.

Answer 1

Answer: B

Explanation:

The variable y will cancel out first because when you add the equations the bottom one subtracts the y, therefore canceling it.

Answer 2

The y will be cancelled out first.