question: Teacher asked me this: Solve 21 - 6 = 3*t for t.
++++++++++
answer: 5

question: Teacher asked me this: Solve -602*i - 752*i = 46*i - 22400 for i.
++++++++++
answer: 16

question: Teacher asked me this: Solve 0 = 3*q - 19*q - 48 for q.
++++++++++
answer: -3

question: Teacher asked me this: Solve -26*b + 33*b = -21 for b.
++++++++++
answer:
-3