Question:
Solve 29 - 21 = -8*t + 32 for t..

Answer:
3

Question:
Solve 20*l - 61 + 21 = 0 for l..

Answer:
2

Question:
Solve 8*v + 17 = 41 for v..

Answer:
3

Question:
Solve 0 = -49*k + 6*k + 1204 for k..

Answer:
28