document.write( "Question 226068: 2/3x + 4/5= 9/10 I don't understand it at all...please help! \n" ); document.write( "
Algebra.Com's Answer #168460 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 2/3x+4/5=9/10 \n" ); document.write( "find common denominator \n" ); document.write( "20/30x+25/30=27/30 \n" ); document.write( "subtract 25/30 \n" ); document.write( "20/30x=2/30 \n" ); document.write( "divide by 20/30 \n" ); document.write( "to do that we invert and multiply \n" ); document.write( "x=(2/30)/(20/30) \n" ); document.write( "x=(2/30)(30/20) \n" ); document.write( "x=60/600 \n" ); document.write( "reduce fraction \n" ); document.write( "x=1/10 \n" ); document.write( " |