document.write( "Question 404525: Marla is 5 years younger than her friend Carey. Five years ago the sum of their ages was 41. How old is each of them now? \n" ); document.write( "
Algebra.Com's Answer #285886 by Mr.Math(29)![]() ![]() You can put this solution on YOUR website! Let Marla is x now and Carey is y. \n" ); document.write( "Then we obtain the system of equations:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute the expression for y from the first equation into the second equation:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Simplify this expression:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then \n" ); document.write( "\n" ); document.write( "Answer is: Marla is 23 now and Carey is 28.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |