question: Teacher asked me this: Solve -4*f + 29 - 13 = 0 for f.
++++++++++
answer: 4
Solve -6*f + 77*f + 781 = 0 for f.
Solve this plz.

A: -11
QUESTION: Math problem: Solve -2*r - 9 = 7*r for r.
ANS: -1
Q: What is the solution?
Solve 4520 + 19722 = -391*x for x.

A: -62
Write down the solution for this math problem: Solve 63*i + 48*i = 43896 - 47115 for i.
answer: -29
Q: Solve:
Solve 219*g = 189*g - 330 for g.

A:
-11