Question:
Solve 12 = -0*s - 4*s for s..

Answer:
-3

Question:
Solve 693*g - 11451 - 5874 = 0 for g..

Answer:
25

Question:
Solve 0 = -11*g + 2*g + 45 for g..

Answer:
5

Question:
Solve 40*l - 48*l + 40 = 0 for l..

Answer:
5