54-16:{[36-6x4:(x-4x5)]:5+2}=52
16:{[36-24:(x-20)]:5+2}=54-52
16:{[36-24:(x-20)]:5+2}=2
{[36-24:(x-20)]:5+2}=16:2
[36-24:(x-20)]:5+2=8
[36-24:(x-20)]:5=8-2
[36-24:(x-20)]:5=6
[36-24:(x-20)]=6x5
36-24:(x-20)=30
24:(x-20)=36-30
24:(x-20)=6
x-20=24:6
x-20=4
x=4+20
x=24
