You can put this solution on YOUR website! you can use any points you like....obviously the lower numbers you pick the easier it will be to figure the unknown variable
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for instance if x=0 then y=7 ....easy to see in your head
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if x=1 then it is a little harder but you can add 7 to 3/4 in your head if you want.
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for x=5---->y=5(3/4)+7=15/4+7=15/4+28/4=43/4=10 3/4
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you should only have to plot 3 or 4 points to get an accurate picture of your graph which is a line in this case.
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later for more complicated equations you may have to plot more points
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