jaki jest zbior rownania I x-5 I =3 prosze o szybko odpwedz!!
|x-5|=3
x-5=3 v x-5 =-3
x=8 v x=2
x∈{2,8}
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|x-5|=3
x-5=3 v x-5 =-3
x=8 v x=2
x∈{2,8}