document.write( "Question 271686: Michael is 4 years older than Tom. 5 years ago, Michael was twice tom's age? How old is Tom? \n" ); document.write( "
Algebra.Com's Answer #198842 by checkley77(12844)\"\" \"About 
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M=X+4 NOW
\n" ); document.write( "T=X NOW.
\n" ); document.write( "5 YEARS AGO:
\n" ); document.write( "M=X+4-5
\n" ); document.write( "T=X-5
\n" ); document.write( "X-1=2(X-5)
\n" ); document.write( "X-1=2X-10
\n" ); document.write( "X-2X=-10+1
\n" ); document.write( "-X=-9
\n" ); document.write( "X=9 YEARS OLD. FOR TOM NOW.
\n" ); document.write( "9+4=13 YEARS FOR MICHAEL NOW.
\n" ); document.write( "PROOF:
\n" ); document.write( "9-1=2(9-5)
\n" ); document.write( "8=2*4
\n" ); document.write( "8=8\r
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