РЕШИТЕ УРАВНЕНИЕ!!!!!!!!!!!ПОЖАЛУЙСТА. Created by Em10ka20. matematika-ru

РЕШИТЕ УРАВНЕНИЕ!!!!!!!!!!!ПОЖАЛУЙСТА...

Хуqожнuк (120 : x - 3) : 2 + 5 = 11
(120 : x - 3) : 2 = 11 - 5
(120 : x - 3) : 2 = 6
120 : x - 3 = 6 * 2
120 : x - 3 = 12
120 : x = 12 + 3
120 : x = 15
x = 120 : 15
x = 8

Ответ: 8

9 votes Thanks 11

helena312 (120:х-3):2+5=11
(120:х-3):2=11-5
(120:х-3)=6*2
120:х-3=12
120:х=12+3
х=120:15
х=8
(120:8-3):2+5=11
Ответ В.

7 votes Thanks 10

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