document.write( "Question 647476: Michelle is eight years older than josh. three years ago Michelle was twice as old as josh was then. how old is Michelle? \n" ); document.write( "
Algebra.Com's Answer #406226 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! Let m be Michelle's age. \n" ); document.write( "Let j be Josh's age.\r \n" ); document.write( "\n" ); document.write( "m = j+8<--- \n" ); document.write( "m-3 = 2*(j-3)\r \n" ); document.write( "\n" ); document.write( "Solve the 2nd equation\r \n" ); document.write( "\n" ); document.write( "m = 2j - 6 + 3\r \n" ); document.write( "\n" ); document.write( "m = 2j -3 <----\r \n" ); document.write( "\n" ); document.write( "Set the two arrowed expressions equal to each other.\r \n" ); document.write( "\n" ); document.write( "j+8 = 2j-3\r \n" ); document.write( "\n" ); document.write( "-j = -11\r \n" ); document.write( "\n" ); document.write( "j = 11\r \n" ); document.write( "\n" ); document.write( "If j =11 then Michelle is (11+8) or 19 years old.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |