Question

Решите уравнение:
1) (19n-6n):4=26
2) (16m+5m):18=7

Answer 1

1) (n (19-6))/4=26
13n=26*4
n=104/13
n=8
2) (m (16+5))/18=7
21m=7*18
m=126/21
m=6