Question:
Solve 42*u - 1388 + 732 = 1360 for u..

Answer:
48

Question:
Solve 127 = -14*d - 59 + 32 for d..

Answer:
-11

Question:
Solve -204*l = -122*l + 656 for l..

Answer:
-8

Question:
Solve -308431 = -4303*s - 37342 for s..

Answer:
63