question: Teacher asked me this: Solve -662*u - 15414 = 2751 + 14935 for u.
++++++++++
answer: -50

question: Teacher asked me this: Solve -21*u - 70*u = 26*u + 117 for u.
++++++++++
answer: -1

question: Teacher asked me this: Solve 0 = -40*k + 42*k + 2 for k.
++++++++++
answer: -1

question: Teacher asked me this: Solve -6382*p + 6103*p = 6138 for p.
++++++++++
answer:
-22