Răspuns:
[tex] \bf 6-5:[4-3:(2-2:x)] = 1[/tex]
[tex]\bf 6 = 1 + 5:[4-3:(2-2:x)][/tex]
[tex]\bf 6 - 1 = 5:[4-3:(2-2:x)][/tex]
[tex]\bf 5 = 5:[4-3:(2-2:x)][/tex]
[tex]\bf 5 \cdot [4-3:(2-2:x)] = 5[/tex]
[tex]\bf 4-3:(2-2:x)= 1[/tex]
[tex]\bf 4 = 1 + 3:(2-2:x)[/tex]
[tex]\bf 4 - 1 = 3:(2-2:x)[/tex]
[tex]\bf 3 =3:(2-2:x)[/tex]
[tex]\bf 3 \cdot(2-2:x) = 3[/tex]
[tex]\bf 2-2:x = 1[/tex]
[tex]\bf 2 = 1 + 2:x [/tex]
[tex]\bf 2 - 1 = 2:x [/tex]
[tex]\bf 1 = 2:x [/tex]
[tex] \red{ \underline{\bf x = 2}}[/tex]