question: Teacher asked me this: Solve -19*k + 1121 - 1140 = 0 for k.
++++++++++
answer: -1

question: Teacher asked me this: Solve -2076 = -230*w - 6 for w.
++++++++++
answer: 9

question: Teacher asked me this: Solve -9*w - 109 + 190 = 0 for w.
++++++++++
answer: 9

question: Teacher asked me this: Solve -74*f + 204*f = 130 for f.
++++++++++
answer:
1