question: Teacher asked me this: Solve -49*t + 105*t - 26 = 54*t for t.
++++++++++
answer: 13

question: Teacher asked me this: Solve 6*c + 5*c - c - 310 = 0 for c.
++++++++++
answer: 31

question: Teacher asked me this: Solve 21*t - 24*t = -9 for t.
++++++++++
answer: 3

question: Teacher asked me this: Solve -298*a - 616084 + 611614 = 0 for a.
++++++++++
answer:
-15