Write down the solution for this math problem: Solve 240*k = -94597 + 93637 for k.
answer: -4

Write down the solution for this math problem: Solve 258*f - 257*f + 2 = 0 for f.
answer: -2

Write down the solution for this math problem: Solve -163*x - 158*x - 20 = -322*x for x.
answer: 20

Write down the solution for this math problem: Solve 16*b - 14*b = -2 for b.
answer:
-1