question: Teacher asked me this: Solve 0 = 4*i + 7*i + 2*i + 78 for i.
++++++++++
answer: -6
Solve -250*f + 2838 = -1912 for f.
Solve this plz.

A: 19
QUESTION: Math problem: Solve 81021*l = 80994*l - 162 for l.
ANS: -6
Q: What is the solution?
Solve 270 = 10*j - 48*j - 7*j for j.

A: -6
Write down the solution for this math problem: Solve 40*n = -160 - 120 for n.
answer: -7
QUESTION: Math problem: Solve 48 = -16*v + 28*v for v.
ANS:
4