SOLUTION: How do you solve and graph x-2y=4?

Question 716283: How do you solve and graph x-2y=4?
Found 2 solutions by jim_thompson5910, Alan3354:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
First solve for y

x-2y=4

-2y = -x + 4

y = (-x + 4)/(-2)

y = 1/2x - 2

Looking at we can see that the equation is in slope-intercept form where the slope is and the y-intercept is

Since this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis

So we have one point

Now since the slope is comprised of the "rise" over the "run" this means

Also, because the slope is , this means:

which shows us that the rise is 1 and the run is 2. This means that to go from point to point, we can go up 1 and over 2

So starting at , go up 1 unit

and to the right 2 units to get to the next point

Now draw a line through these points to graph

So this is the graph of through the points and
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How do you solve and graph x-2y=4?
----------------
Solve for what?
============
It's a straight line, so you need 2 points.
Pick 2 values for x and find y (or vice versa).
Plot the 2 points.
Draw a line thru them.

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