question: Teacher asked me this: Solve 516*k = 146*k - 20720 for k.
++++++++++
answer: -56
Solve -310*o = -297*o - 91 for o.
Solve this plz.

A: 7
QUESTION: Math problem: Solve u = -14 + 15 for u.
ANS: 1
Q: What is the solution?
Solve 131*t = 133*t - 10 for t.

A: 5
Write down the solution for this math problem: Solve -20 = -53*i + 57*i for i.
answer: -5
Q: Solve:
Solve 67*b = -97 - 171 for b.

A:
-4