Question

(x-1)+x+(x+1)+(x+2)=4 la puterea a patra -2

Answer 1

$(x-1)+x+(x+1)+(x+2)=4^4-2$

$4x+2=4^4-2$

$4x=256-4$

$4x=252$

$x=\frac{252}{4}=63$