document.write( "Question 667148: one third of a certain number added to 1/5 of the next consecutive number is 5. What is the sum of the two numbers? \n" ); document.write( "
Algebra.Com's Answer #414838 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 1/3*X+1/5(X+1)=5 \n" ); document.write( "X/3+(X+1)/5=5 \n" ); document.write( "FIND A COMMON DENOMINATOR. \n" ); document.write( "3*5=15 \n" ); document.write( "[5X+3(X+1)]/15=5 \n" ); document.write( "[5X+3X+3]/15=5 CROSS MULTIPLY \n" ); document.write( "8X+3=5*15 \n" ); document.write( "8X+3=75 \n" ); document.write( "8X=75-3 \n" ); document.write( "8X=72 \n" ); document.write( "X=72/8 \n" ); document.write( "X=9 ANS. FOR THE FIRST NUMBER. \n" ); document.write( "8+1=9 ANS. THE SECOND NUMBER. \n" ); document.write( "8+9=17 ANS. FOR THE SUM. \n" ); document.write( " \n" ); document.write( " |