question: Teacher asked me this: Solve 0 = 87*r + 31057 - 38017 for r.
++++++++++
answer: 80
Solve 7659 = 240*d + 219 for d.
Solve this plz.

A: 31
QUESTION: Math problem: Solve -1661*m - 11931 = 12984 for m.
ANS: -15
Q: What is the solution?
Solve 104*q + 221*q - 34*q + 5428 = 55*q for q.

A: -23
Write down the solution for this math problem: Solve -41*b + 86*b + 90 = 0 for b.
answer: -2
Write down the solution for this math problem: Solve -34*c + 91*c - 71*c - 672 = 0 for c.
answer:
-48