Question:
Solve -16*w + 127 = -49 for w..

Answer:
11

Question:
Solve -4*l = -10*l + 42 for l..

Answer:
7

Question:
Solve -b + 126 = 125 for b..

Answer:
1

Question:
Solve 768*v + 15703 + 24467 = -571*v for v..

Answer:
-30