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.