Write down the solution for this math problem: Solve -84*q + 507 = 87 for q.
answer: 5

Write down the solution for this math problem: Solve 1299*b - 1295*b + 16 = 0 for b.
answer: -4

Write down the solution for this math problem: Solve -1025*a - 757995 = 5411*a + 4859*a - 1230 for a.
answer: -67

Write down the solution for this math problem: Solve 16791 + 4105 = 653*x for x.
answer:
32