October 2018 2 24 Report
Rozwiąż i sprawdź równania: a) x + x - 1 = 3
b) 2x - x + 4,5 = 8,5
c) 2(2x + 1) =8
d) x + (3x - 5) = 7
e) 3x - (x + 5) = 1
f) 2(x + 1) - 4x = 1
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