September 2018 1 25 Report

1. Rozwiąż nierównośc:

a)

b) 2x+3<10

c) 8x+11 27

d) 2x+5<3x+11

e) –x+2 x-2

f) 2x+5-x x+11

g) 5x-11>3x+6

h) 3x+18 3x+9

i) 2x-5 -x+10

j) x-17>-2x-17

k) x<-x

l) 2x+5 3x+10

2.Rozwiąż nierównośc:

a) x/3 + 2/3 > 1

b)x/6 - 1 < 1/3 - x/2

c) (x-1)/2 + 1/4 ≤ (x+1)/2 + (2x+1)/4

d)(x-3)/2 + 3/2 > (x+3)/4 + (x-1)/8

e) (x-1)/6 – (x-3)/18 < (x+3)/9 - 1/18

f)(x+5)/3-2≤(x-3)/4- (x+4)/3+1/6

g)(x-3)/2+ 3/2>(x+1)/5+3/10 x

h)x/3+3 ≥ (1-x)/7+22/21


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