Question:
Solve -34*f + 156 = 20*f - 546 for f..

Answer:
13

Question:
Solve 7*b + b + 16 = 0 for b..

Answer:
-2

Question:
Solve 182412*j - 182421*j + 261 = 0 for j..

Answer:
29

Question:
Solve a + 29 = 26 for a..

Answer:
-3