question: Teacher asked me this: Solve 36148*x - 204*x = -1114264 for x.
++++++++++
answer: -31

question: Teacher asked me this: Solve -271*r + 32256 = -2*r - 1421*r for r.
++++++++++
answer: -28

question: Teacher asked me this: Solve 74*u = 90*u - 48 for u.
++++++++++
answer: 3

question: Teacher asked me this: Solve -49*p = -70*p for p.
++++++++++
answer:
0