Question

63- n:12=5470
срочно!!!!!!!!!!!!!

Answer 1

$6300 - \frac{n}{12} =5470$
75600 - n = 65640
-n = 65640 - 75600
-n= -9960
n=9960

Answer 2

6300-n:12=5470
6300-5470=n:12
830=n:12
n=830*12
n=9960