Question:
Solve 11*i - 37 + 43 = -82 for i..

Answer:
-8

Question:
Solve -130*z = -95*z + 110*z + 290 for z..

Answer:
-2

Question:
Solve -1331 = 29*b - 838 for b..

Answer:
-17

Question:
Solve 191*i - 2186 + 854 = 1533 for i..

Answer:
15