Question:
Solve -8124*z = -8114*z - 170 for z..

Answer:
17

Question:
Solve 0 = -146*t - 2619 + 4809 for t..

Answer:
15

Question:
Solve 585*o - 205*o = 155*o + 225 for o..

Answer:
1

Question:
Solve 2*z = 27 - 31 for z..

Answer:
-2