question: Teacher asked me this: Solve 0 = -56*u + 98*u - 84 for u.
++++++++++
answer: 2

question: Teacher asked me this: Solve -5*y = 17*y - 814 for y.
++++++++++
answer: 37

question: Teacher asked me this: Solve 0 = 4*g + 119 - 99 for g.
++++++++++
answer: -5

question: Teacher asked me this: Solve -4*k = 15 - 19 for k.
++++++++++
answer:
1