question: Teacher asked me this: Solve -21357 = 429*t - 23931 for t.
++++++++++
answer: 6

question: Teacher asked me this: Solve 12*u = -28*u - 40 for u.
++++++++++
answer: -1

question: Teacher asked me this: Solve -962*v + 266 - 77 = -955*v for v.
++++++++++
answer: 27

question: Teacher asked me this: Solve 10*o + 532 = 55*o - 1055 - 708 for o.
++++++++++
answer:
51