Q: Solve -31 = -4*k - 23 for k.

A: 2
Q: Solve:
Solve -22*j + 518 = 63*j - 11*j for j.

A: 7
Question: What is the solution?

Solve 62 - 270 = 208*f for f.

Answer: -1
Problem: Math Problem
Solve -12*a + 10 = -17*a for a.

A: -2
Question:
Solve 0 = -14*z - 289 + 49 - 152 for z..

Answer:
-28
Question:
Solve -210 = -39*a - 3*a for a..

Answer:
5