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5x+2=6 v 5x+2=-6
5x=4 v 5x =-8
x=5/4 v x=-8/5
|-2x-4|=10
-2x-4=10 v -2x-4=-10
-2x=14 v -2x=-6
x=-7 v x=3
I 5x + 2 I = 6
5x+2=6 lub 5x+2=-6
5x=4 lub 5x=-8
x=4/5 lub x=-8/5
Przykład 2.
I -2x - 4 I = 10
-2x-4=10 lub -2x-4=-10
-2x=14 lub -2x=-6
x=-7 lub x=3
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