question: Teacher asked me this: Solve -x + 11973 = -8*x + 12141 for x.
++++++++++
answer: 24

question: Teacher asked me this: Solve -5*a = -2*a - 11*a for a.
++++++++++
answer: 0

question: Teacher asked me this: Solve -351*i - 6475 - 3077 = -1479 for i.
++++++++++
answer: -23

question: Teacher asked me this: Solve -70*w + 359 = 709 for w.
++++++++++
answer:
-5