You can put this solution on YOUR website! 4/7 is the result when 1/2 and x are added
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Equation::
(1/2) + x = 4/7
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Subtract (1/2) from both sides:
x = (4/7)-(1/2)
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x = (8-7)/14
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x = 1/14
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Cheers,
Stan H.
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