document.write( "Question 945180: Jen is 15 years younger than Andre. The sum of their ages is 81. What's andres age in years? \n" ); document.write( "
Algebra.Com's Answer #576337 by macston(5194)\"\" \"About 
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J=Jen's age=A-15; A=Andre's age
\n" ); document.write( "J+A=81 Substitute for J
\n" ); document.write( "(A-15)+A=81`
\n" ); document.write( "2A-15=81 Add 15 to each side
\n" ); document.write( "2A=96 divide each side by 2
\n" ); document.write( "A=48 ANSWER Andre is 48 years old
\n" ); document.write( " CHECK
\n" ); document.write( "Since Andre is 48, Jen is (48-15)=33, and 48+33=81, the given sum of their ages.\r
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