Odpowiedź:
7x-10=-1+4x
7x-4x=-1+10
3x=9
x=3
no i tyle! licze na najjjjj
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Odpowiedź:
7x-10=-1+4x
7x-4x=-1+10
3x=9
x=3
no i tyle! licze na najjjjj