How do you graph $x+y=4$ using intercepts?

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Answer 1 · 2015-07-19T19:54:25

Have a look:

First set $x=0$ so $y=4$ ;
then set $y=0$ so $x=4$
You can now plot these 2 points:
enter image source here

How do you graph x+y=4x+y=4 using intercepts?