question: Teacher asked me this: Solve 42*q = 69*q - 162 for q.
++++++++++
answer: 6

question: Teacher asked me this: Solve 2*x + 27 - 21 = 0 for x.
++++++++++
answer: -3

question: Teacher asked me this: Solve 11 = 9*h + 2 for h.
++++++++++
answer: 1

question: Teacher asked me this: Solve 318 = 27*d + 804 for d.
++++++++++
answer:
-18