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√(2x+1)²>√(x-3)²
(2x+1)²>(x-3)²
(2x+1)-(x-3)
((2x+1)+(x-3)) ((2x+1)-(x-3))
(2x+1+x-3) (2x+1-x+3)
3x-2>x+4
3x-x>4+2
4x>6
x>6/4
x>3/2
2.|-7+1+2+|-8|
|-6|+2+|-8|
6+2+8
=16
3.||-7|+|-7||-|27/3|
|7+7|-|9|
14-9
=5