Write down the solution for this math problem: Solve -10 = -14*x + 32 for x.
answer: 3

Write down the solution for this math problem: Solve 641*c - 653*c = -60 for c.
answer: 5

Write down the solution for this math problem: Solve 21*c = -0*c - 42 for c.
answer: -2

Write down the solution for this math problem: Solve -4*b + 10*b + 12 = 0 for b.
answer:
-2