document.write( "Question 817550: a/7+a/3=10
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Algebra.Com's Answer #492099 by TimothyLamb(4379)\"\" \"About 
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a/7 + a/3 = 10
\n" ); document.write( "a(3/21) + a(7/21) = 10
\n" ); document.write( "a(10/21) = 10
\n" ); document.write( "a = 10(21/10)
\n" ); document.write( "a = 21
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