Question

Select the choice below that could be the first step in solving the following system of equations using substitution:8x + 2y = 115y − x + 12 = 0 Answer

Multiply the first equation by -4

Multiply the second equation by 2

Write the second equation in terms of x

Replace the right side of the first equation with the second equation

Answer 1

@greener6 What's your thought on this question?

Answer 2

i dont now it confuses me on how to do it

Answer 3

Write the second equation in terms of x first bring in form of 1st equation like
x terms first then y terms....

Answer 4

Split 8x + 2y = 115y − x + 12 = 0 into two questions for better observation.
8x + 2y = 0
115y − x + 12 = 0

Which method would you choose to solve these equations - substitution or elimination?

Answer 5

substitution