question: Teacher asked me this: Solve -7*z + 1166 = 1187 for z.
++++++++++
answer: -3

question: Teacher asked me this: Solve 34*r - 13*r = 14*r + 21 for r.
++++++++++
answer: 3

question: Teacher asked me this: Solve -979*l + 116556 - 23100 = 127*l + 310*l for l.
++++++++++
answer: 66

question: Teacher asked me this: Solve 168 = -2735*w + 2759*w for w.
++++++++++
answer:
7