NNNLLL54

Verified answer

Ответ:

[tex]\bf 2,4+(x:3-5)=4\\\\(x:3-5)=4-2,4\\\\x:3-5=1,6\\\\x:3=1,6+5\\\\x:3=6,6\\\\x=3\cdot 6,6\\\\x=19,8[/tex]