Question:
Solve 145*z = -237 - 311 - 1192 for z..

Answer:
-12

Question:
Solve -3*x = 4*x - 7 for x..

Answer:
1

Question:
Solve -417*t = -409*t + 32 for t..

Answer:
-4

Question:
Solve -272*a = -208*a - 448 for a..

Answer:
7