Question:
Solve 0 = -28*s + 33*s - 10 for s..

Answer:
2

Question:
Solve 320551 = 45*w + 319606 for w..

Answer:
21

Question:
Solve 34*y + 260 - 56 = 0 for y..

Answer:
-6

Question:
Solve 87*v = -310*v - 4217 - 2532 for v..

Answer:
-17