Write down the solution for this math problem: Solve -5653*t + 5430*t = -1338 for t.
answer: 6

Write down the solution for this math problem: Solve -4*k + 15*k = -10*k + 126 for k.
answer: 6

Write down the solution for this math problem: Solve -139 = -17*i - 207 for i.
answer: -4

Write down the solution for this math problem: Solve 15*j + 98 = j for j.
answer:
-7