Question:
Solve -196*z - 7413 = 270*z - 20*z - 93*z for z..

Answer:
-21

Question:
Solve -88*c = -132*c - 72*c + 2668 for c..

Answer:
23

Question:
Solve -23350 - 120934 - 359 = 2218*f + 30579 for f..

Answer:
-79

Question:
Solve -2*n + 7*n + 30 = 0 for n..

Answer:
-6