document.write( "Question 186274: solve the system using substitution \r
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document.write( " {5+10x=y
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document.write( " {20+5x=y \n" );
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Algebra.Com's Answer #139631 by stanbon(75887) ![]() You can put this solution on YOUR website! solve the system using substitution \n" ); document.write( "---------------\r \n" ); document.write( "\n" ); document.write( "{5+10x=y \n" ); document.write( "{20+5x=y \n" ); document.write( "------- \n" ); document.write( "5 + 10x = 20+5x \n" ); document.write( "5x = 15 \n" ); document.write( "x = 3 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |