document.write( "Question 1002660: Mike is one year younger than four times his sister Lexi's age. The sum of their ages is 14. Write a system of equations that models this situation. Then determine Mike's and Lexi's ages. \n" ); document.write( "
Algebra.Com's Answer #619529 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call their ages M and L. \n" ); document.write( "M + L = 14 \n" ); document.write( "M = 4L - 1 \n" ); document.write( "Substitute this into the first equation and get \n" ); document.write( "4L - 1 + L = 14 \n" ); document.write( "5L = 15 \n" ); document.write( "L = 3 \n" ); document.write( "M = 11 \n" ); document.write( " |