document.write( "Question 523756: 16x-12y=44 and 1/(14x-8) - 1/(6y-14)=1/4 .Calculate x and y for the above equations? \n" ); document.write( "
Algebra.Com's Answer #347398 by mananth(16949) You can put this solution on YOUR website! 16x-12y=44 \n" ); document.write( "/4 \n" ); document.write( "4x-3y=11 \n" ); document.write( "3y=4x-11 \n" ); document.write( "multiply by 2 \n" ); document.write( "6y=8x-22 \n" ); document.write( "substitute 6y in equation \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "LCD = 4(14x-8)(8x-36)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add like terms \n" ); document.write( "112x^2-528x+400=0 \n" ); document.write( "/16 \n" ); document.write( "7x^2-34x+25=0 \n" ); document.write( "Find the roots of the equation by quadratic formula \n" ); document.write( " \n" ); document.write( "a= 7 ,b= -34 ,c= 25 \n" ); document.write( " \n" ); document.write( "b^2-4ac= 1156 + -700 \n" ); document.write( "b^2-4ac= 456 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "x1=( 34 + 21.35 )/ 14 \n" ); document.write( "x1= 3.95 \n" ); document.write( "x2=( 34 -21.35 ) / 14 \n" ); document.write( "x2= 0.9 \n" ); document.write( "3y=4x-11 \n" ); document.write( "plug x=3.95 \n" ); document.write( "3y=4*3.95-11 \n" ); document.write( "y=(4*3.95-11)/3 \n" ); document.write( "y=1.6 \n" ); document.write( "(3.95,1.6) \n" ); document.write( "--- \n" ); document.write( "3y=4x-11 \n" ); document.write( "plug x=0.9 \n" ); document.write( "3y=4*0.9-11 \n" ); document.write( "y=(4*0.9-11)/3 \n" ); document.write( "y=-2.46 \n" ); document.write( "(0.9,-2.46)\r \n" ); document.write( "\n" ); document.write( "m.ananth@hotmail.ca\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |