Write down the solution for this math problem: Solve 526 = 18*q + 238 for q.
answer: 16

Write down the solution for this math problem: Solve -9810*t + 29920*t - 64766 + 66925 - 203259 = 0 for t.
answer: 10

Write down the solution for this math problem: Solve 243 = -96*r + 4179 for r.
answer: 41

Write down the solution for this math problem: Solve -108 + 23 + 391 = 18*i for i.
answer:
17