document.write( "Question 28920: Solve the equation:\r
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document.write( "r/5 + 6/5 = r/7 + 8/7\r
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document.write( "I have no idea on how to go about this. Any and help would be greatly appreciated. \n" );
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Algebra.Com's Answer #15797 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The least common multiple (LCM) is 35 \n" ); document.write( "Multiply through by the LCM to get rid of the denominators. \n" ); document.write( "7r+42=5r+40 \n" ); document.write( "2r=-2 \n" ); document.write( "r=-1 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |