Question:
Solve 42*l + 50*l + 4748 = -929 - 3799 for l..

Answer:
-103

Question:
Solve -13 - 676 = -127*u + 1824 + 281 for u..

Answer:
22

Question:
Solve -70*o + 88*o - 144 = 0 for o..

Answer:
8

Question:
Solve -113*t + 7049 = 135*t - 667 + 276 for t..

Answer:
30