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 #841442 by mananth(16946)\"\" \"About 
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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\r
\n" ); document.write( "\n" ); document.write( "Let Kylie's age be x years\r
\n" ); document.write( "\n" ); document.write( " elijah is 4 years older than twice Kylie's age.\r
\n" ); document.write( "\n" ); document.write( "Elijah's age will be 2x+4\r
\n" ); document.write( "\n" ); document.write( "elijah and kylie have a combined age of 31\r
\n" ); document.write( "\n" ); document.write( "x+2x+4 = 31\r
\n" ); document.write( "\n" ); document.write( "3x+4=31\r
\n" ); document.write( "\n" ); document.write( "3x=27\r
\n" ); document.write( "\n" ); document.write( "x=9
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\n" ); document.write( "Kylie's age is 9 years\r
\n" ); document.write( "\n" ); document.write( "Elijah's age = 2x+4 = 2(9)+4 = 22 years substitute x=9\r
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