Question:
Solve 63 = 3*a + 11*a - 49 for a..

Answer:
8

Question:
Solve 0 = -356*p - 163 + 1231 for p..

Answer:
3

Question:
Solve 6*c - 17 + 5 = 0 for c..

Answer:
2

Question:
Solve 7*z - 8*z + 4 = 0 for z..

Answer:
4