You set it up right. Don't forget your plugging in for x and y and you need to finish this.
So your equation would be
B would be your unknown y-intercept.
But this is not in slope-intercept form
So now you need to solve for b.
subtract 1/3 from both sides you get
your equation would then be
There are several ways to write the equation of a straight line.
The way troy showed you is the y-intercept-slope form.
Your starting equation suggests that you have learned the point-slope form
y-2=1/3(x-1) by multiplying both sides by 3 to avoid fractions ...
3y - 6 = x-1
take everybody to the left side
-x + 3y - 5 = 0
usually we start with a positive x
x - 3y + 5 = 0
This is the general form of the equation of a straight line, and it contains no fractions.
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