Question:
Solve 69823*f - 69893*f = 1330 for f..

Answer:
-19

Question:
Solve 546*a + 18741 = -4040 - 11349 + 6830 for a..

Answer:
-50

Question:
Solve 3*z = 4*z + 1 for z..

Answer:
-1

Question:
Solve 112*t = -103*t - 3870 for t..

Answer:
-18