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# How do you graph ##x-y=7## by plotting points?

Convert the equation to . Determine two points. Plot the points and draw a straight line through the points.

Rearrange the equation to -intercept form, ##y=mx+b##, where ##m## is the slope and ##b## is the y-intercept.

##x-y=7##

Subtract ##x## from both sides.

##-y=-x+7##

Multiply both sides by ##-1##.

##y=x-7##

Since this is a linear equation, only two points are needed.

**Table of Points**
##x=0,####y=-7## (y-intercept)
##x=7,####y=0## (x-intercept)

Plot the points on a graph and draw a straight line through the points.

graph{y=x-7 [-10, 10, -5, 5]}