September 2018 3 13 Report
Rozwiąż nierównosci .

a)3-y<5+y-2y
b)5(2x+3)>2(x-3)+x
c)-3(z-2)-2≤z-5-4z
d)7y-2(y-4)≥6-(2-y)
e)4(2-x)-3(1-x)<5(1-x)

Przykład :
-2,5+3>2,5-2x
-2,5x+2x>2,5-3
0,5x>-0,5:(-0,5)
x<1

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