question: Teacher asked me this: Solve 30*w + 14*w = -13*w + 741 for w.
++++++++++
answer: 13

question: Teacher asked me this: Solve 4*b + 12 = 4 for b.
++++++++++
answer: -2

question: Teacher asked me this: Solve 4238*a - 45745 = -181400 + 34579 - 106586 for a.
++++++++++
answer: -49

question: Teacher asked me this: Solve 93*l + 595 = -56 for l.
++++++++++
answer:
-7