You can put this solution on YOUR website! Is all you need to do is make a table for x and y, choosing your x's and then solve for y. Then graph the points.
x = 0
2x-y=1
2(0)-y=1
-y=1
y=-1
point one (0,-1)
x = 1
2(1)-y=1
2-y=1
-y=1-2
-y=-1
y=1
point 2; (1,1)
x = 2
2(2)-y=1
4-y=1
-y=1-4
-y=-3
y=3
point 3; (2,3)
Now graph that line, then do the same thing for the other equation and graph.
:)
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