document.write( "Question 254012: a+b+c=12
\n" ); document.write( "a=5b
\n" ); document.write( "a+c=9
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Algebra.Com's Answer #186352 by edjones(8007)\"\" \"About 
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a+b+c=12
\n" ); document.write( "a=5b
\n" ); document.write( "a+c=9
\n" ); document.write( ".
\n" ); document.write( "c=9-a
\n" ); document.write( "c=9-5b since a=5b
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\n" ); document.write( "5b+b+9-5b=12
\n" ); document.write( "b+9=12
\n" ); document.write( "b=3
\n" ); document.write( "a=15
\n" ); document.write( "c=-6
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\n" ); document.write( "Ed
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