question: Teacher asked me this: Solve -45*a + 41*a = 20 for a.
++++++++++
answer: -5

question: Teacher asked me this: Solve 378 = 1035*w - 993*w for w.
++++++++++
answer: 9

question: Teacher asked me this: Solve 43*t + 36 = 34*t for t.
++++++++++
answer: -4

question: Teacher asked me this: Solve 0 = 5641*l - 5645*l + 336 for l.
++++++++++
answer:
84