Can someone help me, please and thank you? I'll give BRAINLEST to the person who gets it right!!!

Answer:
1) r = 17
2) n = -10
3) n = 7
4) n = -135
5) x = -1
6) m = -11
7) n = -7
8) x = 5
Step-by-step explanation:
1) To solve for any variable, make sure to isolate the variable
2) Next, make sure to do the same thing you do to one side of the equation the other side, so te equation is in balance
3) Finally, solve for your variable!
Hope this helps!