Question 1 (1 point)
(08.05)
A student is trying to solve the system of two equations given below:
Equation P: y + z = 4
Equation Q: 3y + 7z = 15
Which of the following steps can be used to eliminate the y term? (4 points)
a
−3(y + z = 4)
b
3(y + z = 4)
c
−1(3y + 7z = 15)
d
−3(3y + 7z = 15)
Question 2 (1 point)
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