Respuesta :
-x+40=28
-x=-12 (subtract 40 from both sides)
Divide by -1(in both sides)because you cant have a negative age.
COLE is 12
To check plug in the values.
-x=-12 (subtract 40 from both sides)
Divide by -1(in both sides)because you cant have a negative age.
COLE is 12
To check plug in the values.