Write down the solution for this math problem: Solve -112 = -21*j + 5*j for j.
answer: 7

Write down the solution for this math problem: Solve 0 = 45*u - 362489 + 363704 for u.
answer: -27

Write down the solution for this math problem: Solve -31 = 38*j - 51 - 170 for j.
answer: 5

Write down the solution for this math problem: Solve -6 = j - 10 for j.
answer:
4