question: Teacher asked me this: Solve 0 = 13*o - 10*o + 3 for o.
++++++++++
answer: -1
Solve 28811 + 15172 = -5776*c + 5233*c for c.
Solve this plz.

A: -81
QUESTION: Math problem: Solve -232*r = 835*r - 28735 - 38486 for r.
ANS: 63
Q: What is the solution?
Solve -321*c = -101*c - 1100 for c.

A: 5
Write down the solution for this math problem: Solve 30 = 4*d + 2 for d.
answer: 7
QUESTION: Math problem: Solve -3*w = 18 - 24 for w.
ANS:
2