question: Teacher asked me this: Solve -77 = 15*b - 107 for b.
++++++++++
answer: 2

question: Teacher asked me this: Solve -293*l - 269 - 3084 = 1042 for l.
++++++++++
answer: -15

question: Teacher asked me this: Solve b - 258 + 82 = -15*b for b.
++++++++++
answer: 11

question: Teacher asked me this: Solve -4*h + 550 - 546 = 0 for h.
++++++++++
answer:
1