Реши уравнение ( 980:n)*18-84=276

Question

Реши уравнение
( 980:n)*18-84=276

Answer 1

(980/n)*18=276+84
(980/n)*18=360
980/n=360/18
980/n=20
n=980/20
n=49
Проверка:
(980/49)*18-84=276
                  276=276

Answer 2

( 980:n)*18-84=276
(980 : n) * 18 = 276 + 84
(980 : n) * 18 = 360
980 : n = 360 : 18
980 : n = 20
n = 980 : 20
n = 49