August 2018 1 13 Report
15 pkt i najlepsza ; ]
Rozwiąż równania :
a] 0,2x + 0,3 = - 0,5
b] 0,4 + 0,25x = -2
c] 2,1 - 0,3x = 0,4x
d] -1,5x - 3 = 0,2x +6

2.
a] -7(x-2) = 3x -1
b] 4(x-1) = 6(1 + x)

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