2448:[119-[x-6]]=24
<=> 199 - ( x-6 ) = 2448 : 24 = 102
<=> x - 6 = 199 - 102 = 97
<=> x = 97 +6 = 103
2448:[119-(x-6)]=24
119-(x-6)= 2448 : 24
119-(x-6)= 102
x-6= 119-102
x-6= 17
x=17+6
x=23
2448:[119-[x-6]]=24
[119-(x-6)]=2448:24
[119-(x-6)=102
x-6=119-102
x-6=17
x=17+6
x=23