On a class test, Lesley scored 4.5 points more than her friend Cathy. Lesley scored 81.5 points. Cathy's score, x, can be found using the equation below.

x+4.5=81.5

Respuesta :

81.5-4.5 will equal your answer!

this is because x and 4.5 would equal 81.5, meaning if you subtract— you’ll get your X