(x - 3, |x - 3| <= 2, √x = - 3, x + π/3, {x]+3, x + 3, x = -3, X - 3, x × 3, √x - 3, |x| = 3, (x - 3)², (x + 3)², x:3, |x + 3|, √x = 3, x≠3, X:=3, X:=3;, x=−3, x-3