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)![]() ![]() 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 \n" ); document.write( " |