document.write( "Question 391145: Sam is 24 years younger than his mother. The total sum of their ages ( adding them together)is 72. How old is Sam's mother ? \n" ); document.write( "
Algebra.Com's Answer #277463 by haileytucki(390)![]() ![]() You can put this solution on YOUR website! x+y=72_x=72-24\r \n" ); document.write( "\n" ); document.write( "Subtract 24 from 72 to get 48. \n" ); document.write( "x+y=72_x=48\r \n" ); document.write( "\n" ); document.write( "Replace all occurrences of x with the solution found by solving the last equation for x. In this case, the value substituted is 48. \n" ); document.write( "(48)+y=72_x=48\r \n" ); document.write( "\n" ); document.write( "Remove the parentheses around the expression 48. \n" ); document.write( "48+y=72_x=48\r \n" ); document.write( "\n" ); document.write( "Since 48 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 48 from both sides. \n" ); document.write( "y=-48+72_x=48\r \n" ); document.write( "\n" ); document.write( "Add 72 to -48 to get 24. \n" ); document.write( "y=24_x=48\r \n" ); document.write( "\n" ); document.write( "Replace all occurrences of y with the solution found by solving the last equation for y. In this case, the value substituted is 24. \n" ); document.write( "y=24_x=48 \n" ); document.write( " |