Question:
Solve -1206 = -77*m - 90*m + 2635 for m..

Answer:
23

Question:
Solve 30*l + 1729 - 1969 = 0 for l..

Answer:
8

Question:
Solve -944412 = -758*w - 10485*w for w..

Answer:
84

Question:
Solve 431*u + 763494 = 789354 for u..

Answer:
60