document.write( "Question 434087: solve this equation by sustitution
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document.write( "x=8-4y
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document.write( "2x-3y=13 \n" );
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Algebra.Com's Answer #853257 by josgarithmetic(39713) ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Try this. \n" ); document.write( "\n" ); document.write( "SUBSTITUTE into second equation.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Use that value again in the original first equation.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |