Question:
Solve -8*x + 11 = -21 for x..

Answer:
4

Question:
Solve -11*n - 1024 + 758 = 8*n for n..

Answer:
-14

Question:
Solve -5725 = 695*x - 20320 for x..

Answer:
21

Question:
Solve -4990 = 901*l + 25644 for l..

Answer:
-34