question: Teacher asked me this: Solve 115*r = 154*r - 80*r - 5248 for r.
++++++++++
answer: -128
Solve 210 = 22848*i - 22858*i for i.
Solve this plz.

A: -21
QUESTION: Math problem: Solve 0 = -45*z + 2555 - 3410 for z.
ANS: -19
Q: What is the solution?
Solve -618*b - 29384 + 20520 = 30688 for b.

A: -64
Write down the solution for this math problem: Solve -44*n + 60*n - 128 = 0 for n.
answer: 8
QUESTION: Math problem: Solve 7*k - 172 = -214 for k.
ANS:
-6