document.write( "Question 929853: 3a/7 + 2/3 =7/9 \n" ); document.write( "
Algebra.Com's Answer #564504 by stanbon(75887) ![]() You can put this solution on YOUR website! 3a/7 + 2/3 =7/9 \n" ); document.write( "------------ \n" ); document.write( "Whenever you have an equation you can get rid of the denominators. \n" ); document.write( "----- \n" ); document.write( "Multiply thru by 9*7 to get: \n" ); document.write( "27a + 2*21 = 49 \n" ); document.write( "------ \n" ); document.write( "27a + 42 = 49 \n" ); document.write( "27a = 7 \n" ); document.write( "a = 7/27 \n" ); document.write( "========== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |