Write down the solution for this math problem: Solve 5*k + 30 - 5 = 0 for k.
answer: -5

Write down the solution for this math problem: Solve -112497*t - 11780 = -113086*t for t.
answer: 20

Write down the solution for this math problem: Solve -2220*i + 150 = -2205*i for i.
answer: 10

Write down the solution for this math problem: Solve 379*t + 778*t - 206052 = 1742*t + 2091*t for t.
answer:
-77