Question:
Solve 82 = -30*x + 142 for x..

Answer:
2

Question:
Solve 65 - 240 = -25*g for g..

Answer:
7

Question:
Solve 26*u + 175 + 441 = -30*u for u..

Answer:
-11

Question:
Solve 175*l + 22*l + 4*l = -1407 for l..

Answer:
-7