sophiaa23 sophiaa23 22-05-2019 Mathematics contestada ill give brainliest A student is trying to solve the system of two equations given below: Equation P: y + z = 6 Equation Q: 5y + 9z = 1 Which of these is a possible step used in eliminating the y-term? Select one: a. (y + z = 6) ⋅ 9 b. (y + z = 6) ⋅ −5 c. (5y + 9z = 1) ⋅ 9 d. (5y + 9z = 1) ⋅ 5