Write down the solution for this math problem: Solve -39*j + 19*j - 176 = -4*j for j.
answer: -11

Write down the solution for this math problem: Solve 2820 - 5653 = 877*t + 8568 for t.
answer: -13

Write down the solution for this math problem: Solve 5634*u = 643*u - 81*u + 20288 for u.
answer: 4

Write down the solution for this math problem: Solve -1469*v + 115378 = 710*v + 19210 - 38930 for v.
answer:
62