Write down the solution for this math problem: Solve -20*g - 53 = 27 for g.
answer: -4

Write down the solution for this math problem: Solve -b - 247 + 124 = -124 for b.
answer: 1

Write down the solution for this math problem: Solve 648 - 642 = -6*o for o.
answer: -1

Write down the solution for this math problem: Solve 1097*c = 76003 + 19436 for c.
answer:
87