question: Teacher asked me this: Solve 0 = -21*b + 14*b + 35 for b.
++++++++++
answer: 5
Solve -131*f + 16*f + 115 = 0 for f.
Solve this plz.

A: 1
QUESTION: Math problem: Solve 15*x - 20*x = 49*x - 810 for x.
ANS: 15
Q: What is the solution?
Solve 1 + 11 = 3*k for k.

A: 4
Write down the solution for this math problem: Solve -40*d + 32*d + 702 = 31*d for d.
answer: 18
Problem: Math Problem
Solve 55 + 50 = -21*l for l.

A:
-5