question: Teacher asked me this: Solve 54 + 30 = -28*t for t.
++++++++++
answer: -3

question: Teacher asked me this: Solve 7211*s + 2250*s = -454*s + 803115 for s.
++++++++++
answer: 81

question: Teacher asked me this: Solve -313 + 91 = 74*j for j.
++++++++++
answer: -3

question: Teacher asked me this: Solve -25*z + 18 + 132 = 0 for z.
++++++++++
answer:
6