Question

Solve the system by graphing
3x-y=9
-3x-y=3

Answer 1

solve for y in both equation first

Answer 2

Yeah, i know how to graph it but i don't know how to solve for y

Answer 3

fist move the x over, keep in mind this is all addition/subtraction

Answer 4

ok, got it

Answer 5

then what

Answer 6

what are the two equations, solved for y

Answer 7

huh?

Answer 8

for both equations, i am asking you to write them as y=?