question: Teacher asked me this: Solve 6*z + 4*z - 3*z - 455 = -343 for z.
++++++++++
answer: 16

question: Teacher asked me this: Solve 41 = -8*s - 13 + 38 for s.
++++++++++
answer: -2

question: Teacher asked me this: Solve 0*t + 30 = -t - 5*t for t.
++++++++++
answer: -5

question: Teacher asked me this: Solve 3317*n - 551 = 3288*n for n.
++++++++++
answer:
19