Write down the solution for this math problem: Solve 38*t - 31*t = 35 for t.
answer: 5

Write down the solution for this math problem: Solve -26*i + 61*i - 43*i = 136 for i.
answer: -17

Write down the solution for this math problem: Solve -49 = -37*x + 284 for x.
answer: 9

Write down the solution for this math problem: Solve -45*q + 268 + 137 = 0 for q.
answer:
9