question: Teacher asked me this: Solve 0 = -254*c + 1301 + 2143 + 620 for c.
++++++++++
answer: 16

question: Teacher asked me this: Solve -9*t + 2 = 20 for t.
++++++++++
answer: -2

question: Teacher asked me this: Solve -19*t + 11*t = 16 for t.
++++++++++
answer: -2

question: Teacher asked me this: Solve -10*n - 9 = -39 for n.
++++++++++
answer:
3