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3x+2y-6+5y-2x=x+7y-6
x+7y-6=x+7y-6
Myślę, że jest dobrze. Liczę na naj... :)
3x + 2y - 6 + 5y - 2x = x + 7y - 6
x + 7y - 6 = x + 7y - 6