document.write( "Question 329377: Please help me to solve this system algebraically:
\n" ); document.write( "1/2x+2/3y=5/6
\n" ); document.write( "5/12x+7/12y=3/4
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Algebra.Com's Answer #236051 by mananth(16946)\"\" \"About 
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1/2 x+2/3y=5/6
\n" ); document.write( "LCD is 6
\n" ); document.write( "3x+2y /6 =5/6
\n" ); document.write( "3x+2y=5*6/6
\n" ); document.write( "3x+2y=5...................1\r
\n" ); document.write( "\n" ); document.write( "5/12 x+7/12 y=3/4
\n" ); document.write( "5x+7y /12= 3/4
\n" ); document.write( "5x+7y= 12*3/4
\n" ); document.write( "5x+7y=9...................2
\n" ); document.write( "..
\n" ); document.write( "Multiply equation 1 by -5 and equation 2 by 3 and add them
\n" ); document.write( "-15x-10y+15x+21y=-25+27
\n" ); document.write( "11y=2
\n" ); document.write( "y = 2/11
\n" ); document.write( "plug the value of y in equation 1
\n" ); document.write( "3x+2*2/11 =5
\n" ); document.write( "3x=5-4/11
\n" ); document.write( "3x=51/11
\n" ); document.write( "x= 17/11
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