document.write( "Question 1203623: jack is 7 years older than mia. the sum of there ages is 53.how old is jack.
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Algebra.Com's Answer #839325 by mananth(16946)\"\" \"About 
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jack is 7 years older than mia. the sum of there ages is 53.how old is jack.\r
\n" ); document.write( "\n" ); document.write( "Let mia's age be x years\r
\n" ); document.write( "\n" ); document.write( "Jack is 7 years older
\n" ); document.write( "so his age will be x+7 years\r
\n" ); document.write( "\n" ); document.write( " sum of there ages is 53\r
\n" ); document.write( "\n" ); document.write( "x+(x+7)=53\r
\n" ); document.write( "\n" ); document.write( "2x+7 =53\r
\n" ); document.write( "\n" ); document.write( "2x=53-7\r
\n" ); document.write( "\n" ); document.write( "2x = 46
\n" ); document.write( "x=23 \r
\n" ); document.write( "\n" ); document.write( "mia is 23 years old\r
\n" ); document.write( "\n" ); document.write( " so Jack is 23+7 = 30 years old\r
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