question: Teacher asked me this: Solve 0*f = 13*f - 18*f + 79*f - 1258 for f.
++++++++++
answer: 17

question: Teacher asked me this: Solve -489231*z = -489339*z - 3672 for z.
++++++++++
answer: -34

question: Teacher asked me this: Solve 4*t + 364 = 384 for t.
++++++++++
answer: 5

question: Teacher asked me this: Solve -9*x - 10 = -19 for x.
++++++++++
answer:
1