You can put this solution on YOUR website! Graph the equation for
x-4.5=0
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Add 4.5
x = 4.5
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It's a straight line, so you need to points.
Pick 2 values for y and find x.
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y = 0, x = 4.5 --> (4.5,0)
y = 3.7, x = 4.5 --> (4.5,3.7)
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Plot the 2 points, draw a line thru them.
