document.write( "Question 516225: 35x+7y=32
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document.write( "-5x=y+20 \n" );
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Algebra.Com's Answer #344311 by mananth(16946) You can put this solution on YOUR website! 35x+7y=32 \n" ); document.write( "7y=-35x+32 \n" ); document.write( "y=-35x/7 +32/7............1 \n" ); document.write( "-5x=y+20 \n" ); document.write( "multiply by 7 \n" ); document.write( "-35x=7y+140 \n" ); document.write( "7y=-35x-140 \n" ); document.write( "y=-35x/7 -20\r \n" ); document.write( "\n" ); document.write( "the slope is same for both lines \n" ); document.write( "and the y intercepts are different\r \n" ); document.write( "\n" ); document.write( "so the lines are parallel and have no solution\r \n" ); document.write( "\n" ); document.write( "35 x + 7 y = 32 .............1 \n" ); document.write( "-5 x -1 y = 20 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 1 \n" ); document.write( "Multiply (2) by 7 \n" ); document.write( "35 x 7 y = 32 \n" ); document.write( "-35 x -7 y = 140 \n" ); document.write( "Add the two equations \n" ); document.write( "0 x = 172 \n" ); document.write( "Not possible\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |