document.write( "Question 931668: Manuel is 8 years older than his sister. 3 years ago he was 3 times older than his sister. How old are they now \n" ); document.write( "
Algebra.Com's Answer #565717 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! x sister's age. Manual (x+8) \n" ); document.write( "....... \n" ); document.write( "3 years ago.. \n" ); document.write( "(x+8) - 3 = 3(x-3) \n" ); document.write( "x + 5 = 3x - 9 \n" ); document.write( "14 = 2x \n" ); document.write( "7 = x, sister's age . Manual is 15 \n" ); document.write( "And checking...3 years ago \n" ); document.write( "12 = 3(4) \n" ); document.write( " |