question: Teacher asked me this: Solve 647 + 18 = 56*f - 151*f for f.
++++++++++
answer: -7
Solve 12*m - 20 = 7*m for m.
Solve this plz.

A: 4
QUESTION: Math problem: Solve 18 + 12 + 10 = 10*b + 30 for b.
ANS: 1
Q: What is the solution?
Solve 8*t - 9131 = -816*t + 20533 for t.

A: 36
Write down the solution for this math problem: Solve 28*d = 33*d for d.
answer: 0
Q: Solve:
Solve -1570*u = -203*u - 20505 for u.

A:
15