question: Teacher asked me this: Solve 0*i + 2*i = 0 for i.
++++++++++
answer: 0
Solve -335*r + 171*r + 12 = -165*r for r.
Solve this plz.

A: -12
QUESTION: Math problem: Solve 4639 - 6223 = -18*w for w.
ANS: 88
Q: What is the solution?
Solve 176*u + 70971 = 50731 for u.

A: -115
Write down the solution for this math problem: Solve -28*f - 660 = -88*f for f.
answer: 11
QUESTION: Math problem: Solve -370*u = -378*u + 24 for u.
ANS:
3