question: Teacher asked me this: Solve 36*u + 89 + 202 = -69 for u.
++++++++++
answer: -10

question: Teacher asked me this: Solve -660 = -411*t + 455*t for t.
++++++++++
answer: -15

question: Teacher asked me this: Solve 48*a + 210 = 6*a for a.
++++++++++
answer: -5

question: Teacher asked me this: Solve -27 + 3 = -4*b for b.
++++++++++
answer:
6