document.write( "Question 1174919: julia is 8 years older then dylan. sofia is four years youner than dylan. the sum of there ages is 55. what is each persons age? \n" ); document.write( "
Algebra.Com's Answer #800424 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! julia is 8 years older then dylan. \n" ); document.write( "j = d + 8 \n" ); document.write( "sofia is four years younger than dylan. \n" ); document.write( "s = d - 4 \n" ); document.write( " the sum of there ages is 55. \n" ); document.write( "j + d + s = 55 \n" ); document.write( " what is each persons age? \n" ); document.write( "replace j with (d+8), replace s with (d-4) \n" ); document.write( "(d+8) + d + (d-4) = 55 \n" ); document.write( "combine like terms \n" ); document.write( "3d + 4 = 55 \n" ); document.write( "3d = 55 - 4 \n" ); document.write( "3d = 51 \n" ); document.write( "d = 51/3 \n" ); document.write( "d = 17 yrs is Dylan's age \n" ); document.write( ": \n" ); document.write( "I'm sure you can find the other ages, ensure they all add up to 55 \n" ); document.write( " |