Question

{[(x-1):2]:3}:4=5 Am nevoie rapid plzzzzzz!!

Answer 1

[(X-1):2]:3=5X4=20
(X-1):2=20X3=60
X-1=60X2=120
X=120+1=121
X=121

Answer 2

[(x-1):2]:3=5x4
(x-1):2=20x3
x-1=60x2
x=120+1
x=121