How can you find the value of n in this equation?

40 + n = 55 + 22

Select from the drop-down menus to complete the statements.

40 is

than 55, so n must be

than

.

The value of n is

.

Respuesta :

The answer would be n=37 because…
40+n=77
subtract 40 on both sides, cancelling it out on the left side and 77-40=37 so:
n=37