rozwiąż.
a) |x| = 5
b) |x-3| = 1
c) |x| < 7
a) x=5 lub x=-5
b) x=2 lub x=4
c) x należy do zbioru (-7,7)
x = 5 ∨ x = -5
b) |x - 3| = 1
x - 3 = 1 ∨ x - 3 = -1
x = 4 ∨ x = 2
x > -7 ∧ x < 7
x ∈ (-7; 7)
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a) x=5 lub x=-5
b) x=2 lub x=4
c) x należy do zbioru (-7,7)
a) |x| = 5
x = 5 ∨ x = -5
b) |x - 3| = 1
x - 3 = 1 ∨ x - 3 = -1
x = 4 ∨ x = 2
c) |x| < 7
x > -7 ∧ x < 7
x ∈ (-7; 7)