document.write( "Question 548544: brian is 2 years older than bob who is 7 years older than mark. if their combined age 61 years, find the age of each person \n" ); document.write( "
Algebra.Com's Answer #357067 by mananth(16946)\"\" \"About 
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Mark =x
\n" ); document.write( "Bob = x+7
\n" ); document.write( "Brian = x+7+2\r
\n" ); document.write( "\n" ); document.write( "Total =61\r
\n" ); document.write( "\n" ); document.write( "x+x+7+x+9=61\r
\n" ); document.write( "\n" ); document.write( "3x+16=61
\n" ); document.write( "3x=61-16
\n" ); document.write( "3x=45\r
\n" ); document.write( "\n" ); document.write( "/3
\n" ); document.write( "x=15
\n" ); document.write( "Mark is 15 so you can get others ages
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