Răspuns:
Explicație pas cu pas:
5*{3+4*[1+2*(x/3 -4)]} +11=46
5*{3+4*[1+2*(x/3 -4)]}=46-11
5*{3+4*[1+2*(x/3 -4)]}=35
{3+4*[1+2*(x/3 -4)]}=35/5
{3+4*[1+2*(x/3 -4)]}=7
4*[1+2*(x/3 -4)]=7-3
4*[1+2*(x/3 -4)]=4
[1+2*(x/3 -4)]=1
2*(x/3 -4)]=1-1
2*(x/3 -4)=0 => x/3-4=0, deci x/3=4, deci x=12