document.write( "Question 349966: solving system if equations by substitution \r
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document.write( "1/2x+2y=12
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document.write( "x-2y=6 \n" );
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Algebra.Com's Answer #250119 by rfer(16322) ![]() You can put this solution on YOUR website! 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( "---------------- \n" ); document.write( " |