Question

4x + y = 0
8x - y = 6

A. (, -4)
B. (, -2)
C. (1, -4)
D. (2, -8)

Answer 1

Do you know how to solve for Y using the top equation?

Answer 2

no

Answer 3

Kk. So add -4x to both sides. what do you get?

Answer 4

y=-4x

Answer 5

Exactly. Now you can replace the y on the bottom with -4x. So what do you get when you do that?

Answer 6

8x-(-4x)=6

Answer 7

Simplify?

Answer 8

1/2,-2

Answer 9

(1/2,-2)

Answer 10

Yeah. Good job. :)

Answer 11

To be honest I just guessed