February 2019 0 11 Report
1.Rozwiąż równania.
a) 5x - 7 = 4x + 4
b) 3 (x - 9) = x + 18
c) 5x - 3 = 4x + 2 + 2x
d) 8x + 18 - 2x = 4x + 8
e) 5x - 7 = 9 (x + 18) - x
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