document.write( "Question 120850: \r
\n" ); document.write( "\n" ); document.write( "solve equation a+4 over 2 equals a+4 over a
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Algebra.Com's Answer #88640 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
(a+2)/2=(a+2)/a cross multiply
\n" ); document.write( "a(a+2)=2(a+2)
\n" ); document.write( "a^2+2a=2a+4
\n" ); document.write( "a^2+2a-2a-4=0
\n" ); document.write( "a^2-4=0
\n" ); document.write( "(a-2)(a+2)=0
\n" ); document.write( "a-2=0
\n" ); document.write( "a=2 answer.
\n" ); document.write( "a+2=0
\n" ); document.write( "a=-2 answer.
\n" ); document.write( "proof
\n" ); document.write( "(2+2)/2=(2+2)2
\n" ); document.write( "4/2=4/2
\n" ); document.write( "2=2
\n" ); document.write( "(-2+2)/2=(-2+2)/-2
\n" ); document.write( "0/2=0/-2
\n" ); document.write( "0=0
\n" ); document.write( "
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