Question

помогите пж срочно 35 баллов

Answer 1

(19n-6n):4=26
13n=26*4
n=26*4/13
n=8

(16m+5m):18=7
21m=7*18
m=7*6*3/(3*7)
m=6

(17n-8n)*13=351
9n=351:13
9n=27
n=27/9
n=3

Answer 2

(19n-6n):4=26

13n:4=26

13n/4=26

n=8

2.
21m:18=7
21m/18=7
7m/6=7
m=6.


3.
9n*13=351
117n=351
n=3.