question: Teacher asked me this: Solve 23*a + 153 + 59 = -30*a for a.
++++++++++
answer: -4

question: Teacher asked me this: Solve 46*w + 10*w = 2*w - 486 for w.
++++++++++
answer: -9

question: Teacher asked me this: Solve -939100*v + 939309*v - 4180 = 0 for v.
++++++++++
answer: 20

question: Teacher asked me this: Solve 0 = 52*c + 294 - 502 for c.
++++++++++
answer:
4