December 2018 2 14 Report
Rozwiąż i sprawdź nastepujące równania:
a) x - 3 + 2x +4 = x + 4
b) (x-1) . 2 = x
c) x + (2x + 4) = 3
d) 3 - (x -4) = 5
e) x - (2x+1) +3 = 7
f) 2 (x+4) - 5 = - 7
g) (2x+3) - (3x +2) = - 1
h) 3 (x+2) - 5x = 3
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