A student is trying to solve the set of two equations given below:

Equation A: x + z = 6
Equation B: 2x + 4z = 1

Which of the following is a possible step used in eliminating the z-term? (5 points)

Multiply equation B by 4.

Multiply equation A by 2.

Multiply equation A by −4.

Multiply equation B by 2.

1 answer

Multiply equation A by 2.