Question

13. Află valoarea lui ,,n" din egalităţile: 5xn+ 245 = 845 54:n + 67 x 5 = 344 n: 3 x 8 = 616 894 -n: 4 = 833 14. ​

Answer 1

Hei! :)

$a) 5*n+245=845\\5*n=600\\=>n=120\\\\b) 54:n + 67* 5 = 344\\54:n+335=344\\54:n=9\\=> n=6\\\\c)n: 3 *8 = 616\\n:3=77\\=> n=231\\\\d)894 -n: 4 = 833 \\(-n):4=-61\\=> n=244$