document.write( "Question 349966: solving system if equations by substitution \r
\n" ); document.write( "\n" ); document.write( "1/2x+2y=12
\n" ); document.write( "x-2y=6
\n" ); document.write( "

Algebra.Com's Answer #250119 by rfer(16322)\"\" \"About 
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x=2y+6
\n" ); document.write( "---------------
\n" ); document.write( "1/2x+2y=12
\n" ); document.write( "1/2(2y+6)+2y=12
\n" ); document.write( "y+3+2y=12
\n" ); document.write( "3y=9
\n" ); document.write( "y=3
\n" ); document.write( "---------------
\n" ); document.write( ".5x+2*3=12
\n" ); document.write( ".5x=6
\n" ); document.write( "x=12
\n" ); document.write( "----------------
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