document.write( "Question 675340: Shirley is x years old.
\n" ); document.write( "Mike is 2 years older than Shirley.
\n" ); document.write( "8 years ago Mike was twice as old as Shirley.
\n" ); document.write( "Work out Shirleys age. \n" ); document.write( "

Algebra.Com's Answer #419764 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"Shirley++=+x\"$
\n" ); document.write( " $\"Mike+=+x%2B2\"$ ...........\r
\n" ); document.write( "\n" ); document.write( " $\"8\"$ years ago:\r
\n" ); document.write( "\n" ); document.write( " $\"Shirley=+x-8+\"$
\n" ); document.write( " $\"+Mike+=+2%28x-8%29\"$
\n" ); document.write( "
\n" ); document.write( " $\"x-8+=+2%28x-8%29\"$ ...solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x-8+=+2x-16\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"16-8+=+2x-x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+8\"$ ...........Shirley's age \r
\n" ); document.write( "\n" ); document.write( " $\"+x%2B2=10\"$ ....Mike's age\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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