question: Teacher asked me this: Solve 32*v - 196 = 4*v for v.
++++++++++
answer: 7

question: Teacher asked me this: Solve 455*z - 381*z = -363*z - 13110 for z.
++++++++++
answer: -30

question: Teacher asked me this: Solve -70 = -68*u + 58*u for u.
++++++++++
answer: 7

question: Teacher asked me this: Solve 105*i - 76*i - 6399 = -208*i for i.
++++++++++
answer:
27