rozwiąż równanie : 64 + 2x = 44 + x
64-44=x-2x
20=-x/(-1)
x=-20
64 + 2x = 44 + x2x -x = 44 - 64x = -20
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64-44=x-2x
20=-x/(-1)
x=-20
64 + 2x = 44 + x
2x -x = 44 - 64
x = -20