Question

Решите уравнение 100:(18+(82-10x):6)=5

Answer 1

18+(82-10х)÷6=500
18+82-10х=3000
-10х=2900
х=290

Answer 2

100:(18+(82-10x):6)=5
18+(82-10x):6=100:5
18+(82-10x):6=20
(82-10x):6=20-18
(82-10x):6=2
82-10x=6*2
82-10x=12
10x=82-12
10x=70
x=7
Ответ:x=7.