September 2018 3 28 Report
, Przekształć lewą strone równania i znajdź rozwiązanie ;D

a . 2x - 5 + 2x + 7 - 3x = 8
___________ = 8
__________

b . 2y - 2 = 3y - 5y + 2 - y = 4
________________ = 4
_______________

w tych kreskach trzeba uzupełnić ;D




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