Question

хелп.плиз.срощна.(16m+5m):18=7

(17n-8n)*13=351

Answer 1

(16m+5m):18=7

21m:18=7

21m=126

m=126:21

m=6

Ответ: 6.

(17n-8n)*13=351

17n-8n=351:13

17n-8n=27

9n=27

n=27:9

n=3

Ответ: 3.