x+3y+2x-3x+7+5 --- 3y+12
4y+3y+3x-6y-10-2 --- 3x+y-12
3x+2y-2x+y+12 --- x+3y+12
12-3y-2x+x+2x --- x-3y+12
Hope this helps, have a great Friday!
Answer:
Step-by-step explanation:
u still dont get im already on brainy?