Question:
Solve -5*v + 7 + 8 = 0 for v..

Answer:
3

Question:
Solve 3*d = -212 + 230 for d..

Answer:
6

Question:
Solve -226*t = -214*t + 12 for t..

Answer:
-1

Question:
Solve 0 = 10953*s - 1694*s + 4306*s - 13565 for s..

Answer:
1