document.write( "Question 120850: \r
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document.write( "solve equation a+4 over 2 equals a+4 over a \n" );
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Algebra.Com's Answer #88640 by checkley71(8403)![]() ![]() ![]() 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( " |