question: Teacher asked me this: Solve 2 - 4 = 2*f for f.
++++++++++
answer: -1
Solve 6943*d + 1440 = 7103*d for d.
Solve this plz.

A: 9
QUESTION: Math problem: Solve 40*u - 167 = -67 + 980 for u.
ANS: 27
Q: What is the solution?
Solve 1090*o = -544*o - 60458 for o.

A: -37
Write down the solution for this math problem: Solve 0 = -i + 4*i - 15 for i.
answer: 5
QUESTION: Math problem: Solve 93*s - 622 = 587 for s.
ANS:
13