document.write( "Question 1209753: my brother is 7 years younger than me. Twice my age plus 3 times his age is 99.What are our ages?
\n" ); document.write( "Plz use the singapore model method. I have the answer but can not understand how to show the working out using the bar model.\r
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Algebra.Com's Answer #850137 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
The person speaking, w
\n" ); document.write( "The brother, w-7\r
\n" ); document.write( "\n" ); document.write( "Second sentence, \"2w%2B3%28w-7%29=99\".\r
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\n" ); document.write( "\n" ); document.write( "\"2w%2B3w-21=99\"\r
\n" ); document.write( "\n" ); document.write( "\"5w=120\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28w=24%29\"--------the person giving the description\r
\n" ); document.write( "\n" ); document.write( "\"w-7=highlight%2817%29\"--------his brother
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