in order to graph y=-x+5, make a table and plug in values of x to find y. to find your points, use x,y.
x: 1 y: 4
x: 2 y: 3
x:3 y: 2
x: 2 y:1
these are the first four points for the first equation. to plug in, use ramdom numbers for x, such as 1, 2, and 3. y= -(1) +5