Write down the solution for this math problem: Solve 27*a - 60 = 12*a for a.
answer: 4

Write down the solution for this math problem: Solve 100*b - 114*b + 793 = -75*b for b.
answer: -13

Write down the solution for this math problem: Solve 239*q - 28589668 + 28594926 = 0 for q.
answer: -22

Write down the solution for this math problem: Solve 43942 + 42712 = 2342*q for q.
answer:
37