Question:
Solve 0 = -15*d + 203 - 263 for d..

Answer:
-4

Question:
Solve 6*q + 36 = 48 for q..

Answer:
2

Question:
Solve -9*c + 17*c = -14*c + 110 for c..

Answer:
5

Question:
Solve 3939*l - 4054*l + 1615 = -2755 for l..

Answer:
38