1.ROZWIĄŻ wartość bezwzględną
||x|-3|=x-1
I IxI - 3 I = x - 1
I x - 3 I = x - 1
-x + 3 = x - 1
-x - x = -1 - 3
-2x = -4
-x = -2 I * (-1)
x = 2
spr. -x + 3 = x - 1 ( za x = 2)
-2 + 3 = 2 - 1
1 = 1 L = P
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I IxI - 3 I = x - 1
I x - 3 I = x - 1
-x + 3 = x - 1
-x - x = -1 - 3
-2x = -4
-x = -2 I * (-1)
x = 2
spr. -x + 3 = x - 1 ( za x = 2)
-2 + 3 = 2 - 1
1 = 1 L = P