Answer:
3x+9
Step-by-step explanation:
i think since it is across from there
Answer:r<4/7
Step-by-step explanation:
35r-21<-35r+19
Collect like terms
35r+35r<21+19
70r<40
divide both sides by 70
70r/70<40/70
r<40/70
r<4/7
The answer is the first option. 12m-12n
Its 2, (why would you put a question if you know the answer!?!!?)