question: Teacher asked me this: Solve 49*x - 111*x = -36*x - 42*x - 608 for x.
++++++++++
answer: -38

question: Teacher asked me this: Solve 0 = -27*k + 97*k + 1960 for k.
++++++++++
answer: -28

question: Teacher asked me this: Solve 21*y + 131*y = -3*y + 2480 for y.
++++++++++
answer: 16

question: Teacher asked me this: Solve 856*w - 243*w - 13901 - 1424 = 0 for w.
++++++++++
answer:
25