question: Teacher asked me this: Solve 0 = -6*h + 4 + 20 for h.
++++++++++
answer: 4

question: Teacher asked me this: Solve 2037 - 15216 = -1026*m + 12471 for m.
++++++++++
answer: 25

question: Teacher asked me this: Solve 5*g + 460 = -3*g - 38*g for g.
++++++++++
answer: -10

question: Teacher asked me this: Solve -140*b + 42 = -161*b for b.
++++++++++
answer:
-2