Write down the solution for this math problem: Solve 20*s + 20 = 16*s for s.
answer: -5

Write down the solution for this math problem: Solve -3*q + 6*q = 0 for q.
answer: 0

Write down the solution for this math problem: Solve -22*o + 112 = 34*o for o.
answer: 2

Write down the solution for this math problem: Solve -22 = t - 15 for t.
answer:
-7