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

Ответы:

18+(82-10x):6=100:5=20

(82-10x):6=20-18=2

82-10x=6*2=12

10x=82-12=70

x=70:10=7



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

18+(82-10х):6=20

(82-10х):6=2

82-10х=12

10х=70

х=7