Respuesta :

spaceqwerty

Answer:

6

Step-by-step explanation:

267=40n+20+7

267=40n+27

-27 -27

240=40n

------ ------

40 40

n=6

some1widaneruditeDNA
The answer is 6.

5(8n+4) + 7 = 267 (Rearranging the equation)
40n + 20 + 7 = 267 (According to DMAS rule)
40n + 27 = 267
40n = 267-27
40n = 240
n = 240/40 = 24/4 (Cancelling zeros)
n = 6

Here handwritten solution:
Ver imagen some1widaneruditeDNA