Question:
Solve 3*q = 53*q - 350 for q..

Answer:
7

Question:
Solve -8*l = l + 16*l for l..

Answer:
0

Question:
Solve 9*q = 243 - 216 for q..

Answer:
3

Question:
Solve -2*t - 3 = 7 for t..

Answer:
-5