document.write( "Question 159528: please help me solve this problem: 1 3/5x-2 1/4=1 2/3 \n" ); document.write( "
Algebra.Com's Answer #117692 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 1 3/5 x - 2 1/4 = 1 2/3 \n" ); document.write( ": \n" ); document.write( "I assume the problems is: \n" ); document.write( "1 \n" ); document.write( ": \n" ); document.write( "Change them all from mixed numbers to improper fractions \n" ); document.write( "(I assume you know how to do that, if not, email me and we can go over it) \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Get rid of the denominators, multiplying by 60 will do this for us: \n" ); document.write( "(note that all the denominators are factors of 60) \n" ); document.write( "60* \n" ); document.write( ": \n" ); document.write( "Cancel out the denominators and you have: \n" ); document.write( "12(8)x - 15(9) = 20(5) \n" ); document.write( "; \n" ); document.write( "96x - 135 = 100 \n" ); document.write( ": \n" ); document.write( "Add 135 to both sides: \n" ); document.write( "96x = 100 + 135 \n" ); document.write( ": \n" ); document.write( "96x = 235 \n" ); document.write( ": \n" ); document.write( "Divide both sides by 96: \n" ); document.write( "x = \n" ); document.write( "Using pencil long division you will come up with a mixed fraction \n" ); document.write( "x = 2 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution on a calc \n" ); document.write( "Enter (8/5)(235/96) - (9/4) = 1.6666 which is 1 \n" ); document.write( ": \n" ); document.write( "I suggest you study each step until you understand it. It will be worth the time and trouble. \n" ); document.write( " |