document.write( "Question 539260: You are 4 years older than your brother. Two years ago, you were 1.5 times as old as he was. What is your present age? \n" ); document.write( "
Algebra.Com's Answer #353448 by ankor@dixie-net.com(22740)\"\" \"About 
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You are 4 years older than your brother.
\n" ); document.write( "y = b + 4
\n" ); document.write( ":
\n" ); document.write( "Two years ago, you were 1.5 times as old as he was.
\n" ); document.write( "y - 2 = 1.5(b - 2)
\n" ); document.write( "y - 2 = 1.5b - 3
\n" ); document.write( "y = 1.5b - 3 + 2
\n" ); document.write( "y = 1.5b - 1
\n" ); document.write( "Replace y with (b+4) (from the 1st statement}
\n" ); document.write( "b + 4 = 1.5b - 1
\n" ); document.write( "b - 1.5b = - 1 - 4
\n" ); document.write( "-.5b = -5
\n" ); document.write( "b = \"%28-5%29%2F%28-.5%29\"
\n" ); document.write( "b = +10 yrs is the brother's age
\n" ); document.write( "and
\n" ); document.write( "10 + 4 = 14 yrs is your age
\n" ); document.write( ":
\n" ); document.write( "See if that works in the 2nd statement
\n" ); document.write( "14 - 2 = 1.5(10-2)
\n" ); document.write( "12 = 1.5(8); confirms our solutions\r
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