question: Teacher asked me this: Solve -42*r + 8*r = -170 for r.
++++++++++
answer: 5
Solve -3*f + 8 = f for f.
Solve this plz.

A: 2
QUESTION: Math problem: Solve 1345*i - 1465*i - 480 = 0 for i.
ANS: -4
Q: What is the solution?
Solve -23*l + 12215 + 7901 = 405*l for l.

A: 47
Write down the solution for this math problem: Solve 47 = 12*h - 1 for h.
answer: 4
Q: Solve:
Solve -52*i = -71*i - 186 + 53 for i.

A:
-7