Question:
Solve 57 - 19 = -19*q for q..

Answer:
-2

Question:
Solve 5344 + 12713 - 1103 = -346*b for b..

Answer:
-49

Question:
Solve 0 = -46*l + 32*l - 28 for l..

Answer:
-2

Question:
Solve -194*o + 1109 = 356 - 2351 for o..

Answer:
16