October 2018 1 19 Report

rozwiąż równania i podaj zbiór rozwiazań

a)4(x-1)+2(x+2)-6=0

b)3(x-1)-3(4x+1)=2(3-x)

c)5(2x-3)-3(4x+1)=2(3-x)

d)2/3(x-6)=x-1/3(x-9)-7

x+1 x-4 5

e) --- +--- = --

2 3 6

x-5

f)------- +x =1/2 (x-2) + 3/4x

4

g)1/2 (x-2) + 1/3(x-3) + 1/4 (x-4)=0

x+2 x-1 9-x

h)---- - --- =----

5 2 10

i)

5(2x-3) + 8 = 2(5x+1)

2.rozwiąż nierówności

a) 3(x+1)-4x>5-4(x+2)

x+3

b) ------ - 1<3-2(4-2x)

2

2x-3 2-x

c) ------ - x> ------ - x

5 2

d) 2(2x+3)-3(3-x) < 4(-x+3)-5(2-x)

3. rozwiąż nierównosci

4x-1

a) -------- > x

3

x+3

b) ------- < x+ 1

2

x+2

c) ----- - 2 > x/3

2

x+3

d)------ - 2> x/6+x

2

e) 3(x+1) +2 < x/3

f)x/4 -2+x>2(x-1)

x-3 x+2

g)----- - x < ------- - 1

5 2

3(x+1)

h) -------- - 3>2(x-1)-x

2

x+2 2(x-3) 3x

i) ----- +x< --------- + ----

2 5 10

2x+3

j) ------- +1>3(x-1)-1

2


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