question: Teacher asked me this: Solve 14*r - 9 - 5 = 0 for r.
++++++++++
answer: 1
Solve -90*n - 1680 = -2850 for n.
Solve this plz.

A: 13
QUESTION: Math problem: Solve 121*b - 973 = -795 + 1274 for b.
ANS: 12
Q: What is the solution?
Solve -213*p = -685 - 1658 for p.

A: 11
Write down the solution for this math problem: Solve 3*o - 8*o = 16*o + 108 - 1599 for o.
answer: 71
Problem: Math Problem
Solve -158*d = -27*d - 91*d + 520 for d.

A:
-13