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December 19, 2014

December 19, 2014

Posted by **Johnnie** on Friday, March 20, 2009 at 8:07pm.

(7,9) x+4y=5

The equation of the line is y=

- Alegbra -
**GanonTEK**, Friday, March 20, 2009 at 8:35pmHere is a clue for the question:

Parallel lines have the same slope.

You have 1 line - find its slope.

Hope that helps

- Alegbra -
**Johnnie**, Friday, March 20, 2009 at 10:19pmI have tried to work this problem can not get this answer. I am sorry I was a problem

- Alegbra -
**GanonTEK**, Saturday, March 21, 2009 at 7:49pmok, you have a line x + 4y = 5

to find the slope re-write in the form

y = mx + c

where m is the slope and c is a constant

in the above line m = -1/4.

So we want the equation of a line parallel to the above line but goes through the point (7,9).

As I said above parallel lines have the same slope so now we have a point and a slope. That's all we need to get the equation.

Just sub in m = -1/4 and (x1,y1) = (7,9)

into y - y1 = m(x - x1)

and tidy up.

That's it.

Hope that clears things up

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