question: Teacher asked me this: Solve 300581*q - 300611*q = 930 for q.
++++++++++
answer: -31
Solve 0 = 7*r + 8 - 1 for r.
Solve this plz.

A: -1
QUESTION: Math problem: Solve 29*n - 99 = -12 for n.
ANS: 3
Q: What is the solution?
Solve 6*w + 18 = 12 for w.

A: -1
Write down the solution for this math problem: Solve 17*n - 42 - 26 = 0 for n.
answer: 4
Write down the solution for this math problem: Solve -9*b = -11*b for b.
answer:
0