need help solving this diff plz

3y´ - y = 5x

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- May 12th 2008, 12:59 PMmladenDiff
need help solving this diff plz

3y´ - y = 5x - May 12th 2008, 01:16 PMnugiboy
I may be wrong, but i don't think you can solve that because there is only one equation and two unknowns.

- May 12th 2008, 01:40 PMMoo
- May 12th 2008, 01:50 PMnugiboy
- May 13th 2008, 11:06 AMmladen
Hello again, yes I know its a diff equation but I would need some guidence and help solving it =).

thank you - May 13th 2008, 12:19 PMtopsquark
You can use an integrating factor:

First

Then

So

Notice that the left hand side of the equation is a "perfect derivative"

I'll let you finish out from there.

-Dan