Answer:
-5x+7y+7
Step-by-step explanation:
3х + 9y - 8x - 2y +7 can be written like the equation below to help solve it
3x-8x+9y-2y+7
=-5x+7y+7
Answer: I could be wrong so don't get your hopes up but I believe the solution set would be {-2,12}
Dont ask me
Okay!!!!!
Authoritarian
If this helps please brainliest