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Determine whether each ordered pair is a solution to the equation.
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by Denise130 at November 18, 2010

y=2x+7 ; (4,15)

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plug 15 for y plug 4 for x 15=2x4+7 15=8+7 15=15 So the ordered pair is a solution to the equation.

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SATmaster November 19, 2010