question: Teacher asked me this: Solve 227 + 130 = -10*k - 103 for k.
++++++++++
answer: -46

question: Teacher asked me this: Solve -210*r - 46644 = -2004*r for r.
++++++++++
answer: 26

question: Teacher asked me this: Solve 1220*b = 2148*b + 764*b + 1957*b - 47437 for b.
++++++++++
answer: 13

question: Teacher asked me this: Solve -8520*d + 11070 = -8930*d for d.
++++++++++
answer:
-27