Solve the system of equations x-y=9 and -9x-3y=39 by combining the equations.

it has the same slope and a different y-intercept

hope this : )

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are

answer: c

(2, -4)

goes 7 to the

(9, 4)

easy