Question:
Solve 2107*s + 1452121 = -9894*s for s..

Answer:
-121

Question:
Solve 16 = -482*g + 478*g - 12 for g..

Answer:
-7

Question:
Solve 4*a = 5*a + 5 for a..

Answer:
-5

Question:
Solve 257 + 266 = -49*c - 45*c - 41 for c..

Answer:
-6