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x-2<4
x<4+2
x<6
2przypadek
-x+2<4
-x<4-2
-x<2/: (-1)
x>-2
x∈(-2;6)
|x-2|<4
1) x>=2
x-2<4
x<6
czyli 2 =< x <6
2) x < 2
-(x-2) <4
x-2 >-4
x>-2
czyli -2 < x < 2
Odp. x∈(-2; 2) ∨ <2; 6) <=> x∈(-2; 6)