document.write( "Question 14563: Mrs. Brook lacks 7 years from being 5 times as old as her son. Six years from now she will lack 3 years from being three times as old as her son is then. Find each of their ages. \n" ); document.write( "
Algebra.Com's Answer #7291 by Starz(4)![]() ![]() ![]() You can put this solution on YOUR website! let's see...we can work this out with an equation\r \n" ); document.write( "\n" ); document.write( "let x represent the age of her son\r \n" ); document.write( "\n" ); document.write( "5x-7=3x-3+6\r \n" ); document.write( "\n" ); document.write( "now....let's solve\r \n" ); document.write( "\n" ); document.write( "5x-7=3x-3+6 \n" ); document.write( "5x=3x-3+6+7 \n" ); document.write( "5x=3x+16 \n" ); document.write( "5x-3x=16 \n" ); document.write( "2x=16 \n" ); document.write( "x=16/2 \n" ); document.write( "x=8\r \n" ); document.write( "\n" ); document.write( "Now that you have the son's age, you can find out mrs. brook's age.\r \n" ); document.write( "\n" ); document.write( "5 x 8-7 \n" ); document.write( "40-7 \n" ); document.write( "33\r \n" ); document.write( "\n" ); document.write( "Therefore, her son is 8 and she is 33. \n" ); document.write( " |