Question:
Solve -3510*l + 4335*l = 3267*l - 21978 for l..

Answer:
9

Question:
Solve 24*z = -23*z + 45*z for z..

Answer:
0

Question:
Solve -1866 + 534 - 10588 = 596*q for q..

Answer:
-20

Question:
Solve -213*s + 667*s = 13828 + 766 + 1750 for s..

Answer:
36