question: Teacher asked me this: Solve 256*d = 249*d - 630*d - 19110 for d.
++++++++++
answer: -30
Solve 1170891*t - 33984 = 1171953*t for t.
Solve this plz.

A: -32
QUESTION: Math problem: Solve 49*r = 43*r - 12 for r.
ANS: -2
Q: What is the solution?
Solve -3*u + 4 = 13 for u.

A: -3
Write down the solution for this math problem: Solve 4*c + 9 = 6*c - 11*c for c.
answer: -1
Problem: Math Problem
Solve -8*o + 515 - 587 = 0 for o.

A:
-9