Question:
Solve -7970*n - 40738 = 1150*n - 296098 for n..

Answer:
28

Question:
Solve -4*n + 6*n + 95 = -3*n for n..

Answer:
-19

Question:
Solve 296*z - 217*z + 1135 = -148*z for z..

Answer:
-5

Question:
Solve 2372*o + 337*o = 51471 for o..

Answer:
19