January 2019 2 57 Report
Rozwiąż równania.
a) -1/3 y + 8/9 k = 3
b) -2,2 + x = 6,1
c) -(4+x) = 2 (3-x)
d) 3 (1-x) = (1-2x) = 9
e) 4 (y+6) - y = 2 (y+9)
f) 2 (x-1/2) - x + 3 = 3
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