document.write( "Question 159755: Use any convenient method to solve the system.\r
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document.write( "4x - 16y =4
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document.write( "-3x + 12y =-3 \n" );
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Algebra.Com's Answer #117805 by KnightOwlTutor(293) You can put this solution on YOUR website! 4x-16y=4\r \n" ); document.write( "\n" ); document.write( "divide all the terms in this equation by 4\r \n" ); document.write( "\n" ); document.write( "X-4Y=1\r \n" ); document.write( "\n" ); document.write( "add 4Y to both sides \n" ); document.write( "X=1-4Y\r \n" ); document.write( "\n" ); document.write( "Replace x with 1-4Y in the second equation\r \n" ); document.write( "\n" ); document.write( "-3(1-4Y)+12Y=-3\r \n" ); document.write( "\n" ); document.write( "Use the distributive property\r \n" ); document.write( "\n" ); document.write( "-3+12Y +12Y=-3\r \n" ); document.write( "\n" ); document.write( "add 3 to both sides\r \n" ); document.write( "\n" ); document.write( "24Y=0\r \n" ); document.write( "\n" ); document.write( "Y=0 \n" ); document.write( "relace y with 0 \n" ); document.write( "4x - 16y =4 \n" ); document.write( "4X=4 x=1 \n" ); document.write( "replace x=1 and y=0 in the second equation \n" ); document.write( "-3x + 12y =-3 \n" ); document.write( "-3+0=-3 \n" ); document.write( " |