Respuesta :

Hey there!

64 + 8 = 72

so x = 8

Hope this helps
Have a great day (:
x + 64 = 72

since there is an equal sign, you must do the exact same thing you do on one side to the other

isolate the x

x + 64 (-64) = 72 (-64)

x = 72 - 64

x = 8

8 is your answer

hope this helps