question: Teacher asked me this: Solve -25*d + 20*d - 5 = 0 for d.
++++++++++
answer: -1
Solve 172*r + 711 = -184*r + 435*r for r.
Solve this plz.

A: 9
QUESTION: Math problem: Solve -18906 + 21961 = -65*k for k.
ANS: -47
Q: What is the solution?
Solve -87 + 135 = -8*d for d.

A: -6
Write down the solution for this math problem: Solve -356*p + 9689 = -6331 for p.
answer: 45
question: Teacher asked me this: Solve -537*c - 532*c + 312 = -1056*c for c.
++++++++++
answer:
24