Question:
Solve -2*q + 65*q + 13 = 13 for q..

Answer:
0

Question:
Solve -5*o + 26 - 21 = 0 for o..

Answer:
1

Question:
Solve -6 = -11*b + 9*b for b..

Answer:
3

Question:
Solve 14*q + 261 = 289 for q..

Answer:
2