document.write( "Question 1204903: elijah and kylie have a combined age of 31. elijah is 4 years older than twice Kylie's age. How old are Elijah and Kylie \n" ); document.write( "
Algebra.Com's Answer #841441 by ankor@dixie-net.com(22740)\"\" \"About 
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elijah and kylie have a combined age of 31.
\n" ); document.write( "e + k =31
\n" ); document.write( " elijah is 4 years older twice Kylie's age.
\n" ); document.write( "e = 2k+4
\n" ); document.write( "in the first equation, replace e with (2k+4)
\n" ); document.write( "(2k+4) + k = 31
\n" ); document.write( "3k = 31 - 4
\n" ); document.write( "k = 27/3
\n" ); document.write( "k = 9 yr old is Kylie' age
\n" ); document.write( "find E's age
\n" ); document.write( "e = 2(9) + 4
\n" ); document.write( "e = 18 + 4
\n" ); document.write( "e = 22 yrs is Elijah's age
\n" ); document.write( ":
\n" ); document.write( "Check 22 + 9 = 31\r
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