Write down the solution for this math problem: Solve -171 + 45 = -63*f for f.
answer: 2

Write down the solution for this math problem: Solve -32*c - 7 = -39*c for c.
answer: 1

Write down the solution for this math problem: Solve -1277*g - 1542*g - 28133 - 37912 = -18122 for g.
answer: -17

Write down the solution for this math problem: Solve 35*k - 1 = -37*k + 73*k for k.
answer:
-1