document.write( "Question 1067399: ruth is x years old write in terms of x her age 6 years ago,what is her age in 12 yesrs time. in 12 yesrs time ruth will be 3 times as old as she waa six years ago. find ruths age now \n" ); document.write( "

Algebra.Com's Answer #682595 by josmiceli(19441) $\"\"$ $\"About$

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Her age now is $\"+x+\"$
\n" ); document.write( "6 yrs ago her age was $\"+x+-+6+\"$
\n" ); document.write( "In 12 yrs her age will be $\"+x+%2B+12+\"$
\n" ); document.write( "-----------------------------------
\n" ); document.write( " $\"+x+%2B+12+=+3%2A%28+x+-+6+%29+\"$
\n" ); document.write( " $\"+x+%2B+12++=+3x+-+18+\"$
\n" ); document.write( " $\"+12+=+2x+-+18+\"$
\n" ); document.write( " $\"+2x+=+12+%2B+18+\"$
\n" ); document.write( " $\"+2x+=+30+\"$
\n" ); document.write( " $\"+x+=+15+\"$
\n" ); document.write( "She is 15 now
\n" ); document.write( "-------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+x+%2B+12+=+3%2A%28+x+-+6+%29+\"$
\n" ); document.write( " $\"+15+%2B+12+=+3%2A%28+15+-+6+%29+\"$
\n" ); document.write( " $\"+27+=+3%2A9+\"$
\n" ); document.write( " $\"+27+=+27+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );