document.write( "Question 560328: IF Tina's age 1 year from now plus her age 2 years ago plus three times her age 5 years ago is equal to 69 years, how old is she now? \n" ); document.write( "
Algebra.Com's Answer #363834 by josmiceli(19441)\"\" \"About 
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Let \"+a+\" = her age now
\n" ); document.write( "given:
\n" ); document.write( "\"+a+%2B+1+%2B+a+-+2+%2B+3%2A%28+a+-+5+%29+=+69+\"
\n" ); document.write( "\"+2a+-+1+%2B+3a+-+15+=+69+\"
\n" ); document.write( "\"+5a+-+16+=+69+\"
\n" ); document.write( "\"+5a+=+69+%2B+16+\"
\n" ); document.write( "\"+5a+=+85+\"
\n" ); document.write( "\"+a+=+17+\"
\n" ); document.write( "She is 17
\n" ); document.write( "check:
\n" ); document.write( "\"+18+%2B+15+%2B+3%2A12+=+69+\"
\n" ); document.write( "\"+33+%2B+36+=+69+\"
\n" ); document.write( "\"+69+=+69+\"
\n" ); document.write( "OK
\n" ); document.write( "
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