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a)|x|+3=8
b)|x+2|=pierwiastek z 9
c)|x|+3x=4
a) /x/=8-3
x=5
b)/x/=pierwiastek z 9- 2
(x) + 3 = 8/-3
x=5
b) (x+2) = pierwiastek z 9
pierwiastek z 9=3
3-2=1
spr.1+2 = pierwiastek z 9
x=1
c)
(x) + 3x=4
4x=4 /4
x=1
proszę... :)
|x|=5
b) |x|=√9-2
|x|=√7
c) (x) + 3x=4
4x=4
x=1