Write down the solution for this math problem: Solve -126 = 6*t + 15*t for t.
answer: -6

Write down the solution for this math problem: Solve -40*j = -76*j - 180 for j.
answer: -5

Write down the solution for this math problem: Solve -49458 = 24*u - 49362 for u.
answer: -4

Write down the solution for this math problem: Solve 185*j + 90 = 195*j for j.
answer:
9