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OpenStudy (anonymous):
What will be the answer if you add 4a/(4a+7) + 7/(4a+7) then simplify it?
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OpenStudy (hoblos):
4a/(4a+7) + 7/(4a+7) = (4a+7) /(4a+7) =1
OpenStudy (anonymous):
Thanks
OpenStudy (anonymous):
denominators are the same, add in the numerator, just like with numbers
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