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


Equation P: y + z = 6

Equation Q: 8y + 7z = 1


Which of the following is a possible step used in eliminating the y-term?


a (y + z = 6) ⋅ −8

b(y + z = 6) ⋅ 7

c (8y + 7z = 1) ⋅ 7

d (8y + 7z = 1) ⋅ 8

Verified Answer :

Neuron

If you would like to know what is a possible step used in eliminating the y-term, you can calculate this using the following steps:

y + z = 6          /(-8)
8y + 7z = 1
____________

-8
(y + z) = -8 6
8y + 7z = 1
____________

-8y - 8z = -48
8y + 7z = 1
____________
7z - 8z = 1 - 48

The correct result would be a) (y + z = 6)
(-8).

Answer:

answer  a (y + z = 6) * (-8).‍  

                                                       

Step-by-step explanation: