document.write( "Question 1000762: John's age is 4 more than 3 times Michael's age. If the sum of their ages is 20, how old are John and Michael? \n" ); document.write( "
Algebra.Com's Answer #618115 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
Call them j and m.
\n" ); document.write( "j+m=20 and j=4+3m
\n" ); document.write( "Plug this second one into the first and get
\n" ); document.write( "4+3m + m = 20
\n" ); document.write( "4+4m=20
\n" ); document.write( "4m=16
\n" ); document.write( "m=4
\n" ); document.write( "and
\n" ); document.write( "j = 16
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