question: Teacher asked me this: Solve 660957 = 893*o + 635060 for o.
++++++++++
answer: 29

question: Teacher asked me this: Solve 565*x + 162*x + 666*x = 118*x + 173400 for x.
++++++++++
answer: 136

question: Teacher asked me this: Solve -278*z - 11 = -289*z for z.
++++++++++
answer: 1

question: Teacher asked me this: Solve -56*a = -0*a + 56 for a.
++++++++++
answer:
-1