September 2018 2 23 Report

Rozwiąz rownania

a) x/2 - 1 < 0

b)x/3 + 5<1

c)2x/3 _< 0,5

d)x/3 + 3x/2 > 22

Rozwiążcie na przykładzie:

5x + 7 > -23

5x>-23 - 7

5x>-30 |:5

x > 6


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