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10x-2=3x-8 |......obustronnie odjeto 3x
7x-2=-8 |......obustronnie dodano2
7x=-6 |......obustronnie podzielono przez 7
x=-6/7
-3x
+2
/7
10x - 2= 3x-8 / -3x
7x -2= -8 / +2
7x = -6 / dzielone przez 7
x = -6/7