question: Teacher asked me this: Solve -7*x = 5*x for x.
++++++++++
answer: 0

question: Teacher asked me this: Solve 3*z + 329 = -317 + 655 for z.
++++++++++
answer: 3

question: Teacher asked me this: Solve 476482 - 488542 = -180*j for j.
++++++++++
answer: 67

question: Teacher asked me this: Solve -59454 = -73905*x + 73171*x for x.
++++++++++
answer:
81