Question

Afla valoarea lui x:
5 + {55 - [5 + 5 + (x : 5 + 5)]} + (55 : 5 - 5 : 5 ) = 55
Coronita e urgent!

Answer 1

5+{55-[5+5+(x:5+5)]}+(55:5-5:5)=55
{55-[10+(x:5+5)]}+(11-1)=55-5
{55-[10+(x:5+5)]}+10=50
{55-[10+(x:5+5)]}=50-10
55-[10+(x:5+5)]=40
10+(x:5+5)=55-40
10+(x:5+5)=15
x:5+5=15-10
x:5+5=5
x:5=5-5
x:5=0
x=0x5
x=0