Question

Which value of x satisfies both -9x + 4y = 8 and -3x − y = 4?
a)-1/7
b)-7/9
c)-7/8
d)-9
e)-4/3

Answer 1

hmmmmm, the best I could say is plug A - E into x into both equations and solve for y.

Answer 2

use the substitution method

Answer 3

@mattagarrett uu get this?

Answer 4

I think the substitution method is what you need to do.

Answer 5

I'm not 100%, but plug each of the answers in and see what you get!