question: Teacher asked me this: Solve 213*f = 50*f - 326 for f.
++++++++++
answer: -2

question: Teacher asked me this: Solve -164 = -37*x + 8 + 87 for x.
++++++++++
answer: 7

question: Teacher asked me this: Solve 0 = 2*j - 1 + 3 for j.
++++++++++
answer: -1

question: Teacher asked me this: Solve -774*c + 1012*c + 8627 = -19933 for c.
++++++++++
answer:
-120