A student is trying to solve the set of two equations given below:
Equation A: x + z = 6
Equation B: 3x + 2z = 1
Which of the following is a possible step used in eliminating the z-term
Equation A: x + z = 6
Equation B: 3x + 2z = 1
Which of the following is a possible step used in eliminating the z-term