question: Teacher asked me this: Solve 46*s - 2218 + 2770 = 0 for s.
++++++++++
answer: -12

question: Teacher asked me this: Solve 970*c + 7439 + 37181 = 0 for c.
++++++++++
answer: -46

question: Teacher asked me this: Solve -1493*v - 56 = -1485*v for v.
++++++++++
answer: -7

question: Teacher asked me this: Solve 0 = -9*a - 990 + 972 for a.
++++++++++
answer:
-2