Q: Solve -42*f + 31*f = 55 for f.

A: -5
Q: Solve:
Solve 579*t = 1247 - 16301 for t.

A: -26
Question: What is the solution?

Solve 687*j - 2152 = 2657 for j.

Answer: 7
Problem: Math Problem
Solve 3244*b + 56 = 3237*b for b.

A: -8
Question:
Solve 28*r + 187 + 310 = -633 + 318 for r..

Answer:
-29
Solve -60*a + 98*a + 190 = 0 for a.
Solve this plz.

A:
-5