Question

PARANTEZA PATRATA SI PARANTEZA ROTUNDA X-1 INCHIDE PARANTEZA PATRATA IMPARTIT LA 10 -1O=0

Answer 1

[(x-1):10-10=0
(x-1):10=0+10=10
x-1=10x10
x-1=100
x=100+1
x=101

Answer 2

X-1=(0+10)×10
X-1=10×10=100
X-1=100
X=101