Posted by **aharris21** on Thursday, June 24, 2010 at 2:02pm.

How can I write an equation of the linefor example (2,-7) 8x +3y=2. I keep mnissing the most important step. Some of these I have done quite well, like x+6y=9. Please help with the detail because I do remember when to divide.

- math116 -
**bobpursley**, Thursday, June 24, 2010 at 2:05pm
Equation of a line requires either:

a. two points

b. one point, and a slope

What exactly are you trying to do?

- math116 -
**aharris21**, Thursday, June 24, 2010 at 2:33pm
I am trying to wite the equation in the form

y=mx+b

- math116 -
**aharris21**, Thursday, June 24, 2010 at 2:37pm
The equation has two given point (3,-8), then an equation Example (3,-8) 8x +3y=6(just an example)

For example (8,5) 8x+3y=7

y-y=m(x-x)

y-5=m(x-x)

y-5=3/8(x-)

=3/8x-8

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