Question:
Solve 44 = -48*x - 4 for x..

Answer:
-1

Question:
Solve -77403*l + 77539*l = -2176 for l..

Answer:
-16

Question:
Solve -24*u - 3464 = -3656 for u..

Answer:
8

Question:
Solve 55 = 15*x + 10 for x..

Answer:
3