document.write( "Question 859532: Gabriella is x years old. her sister, Felicia, is six years older than she is. their mother is twice as old as Felicia. their aunt, Tanya, is x years older than their mother. write and simplify an expression that represents Tanya's age in years. \n" ); document.write( "

Algebra.Com's Answer #517831 by josmiceli(19441) $\"\"$ $\"About$

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$\"+g+=+x+\"$
\n" ); document.write( " $\"+f+=+g+%2B+6+\"$
\n" ); document.write( " $\"+m+=+2f+\"$
\n" ); document.write( " $\"+t+=+m+%2B+x+\"$
\n" ); document.write( "---------------
\n" ); document.write( "By substitution:
\n" ); document.write( " $\"+t+=+2f+%2B+x+\"$
\n" ); document.write( " $\"+t+=+2%2A%28+g+%2B+6+%29+%2B+x+\"$
\n" ); document.write( " $\"+t+=+2%2A%28+x+%2B+6+%29+%2B+x+\"$
\n" ); document.write( " $\"+t+=+2x+%2B+12+%2B+x+\"$
\n" ); document.write( " $\"+t+=+3x+%2B+12+\"$
\n" ); document.write( "This is Tanya's age in years\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );