November 2018 2 39 Report

Zad1 rozwiąż równania:
a)-5(2x-1)+4(x-6)=3(5-x)
b) 3(2x-1)-6(x-3)=4(4-x)
c)5(3-x)-2(4-2x)=-(x+7)-3(2x-2)
d)-3(2x+1)-2(3-x)=4(x-5)-(2x-8)
Zad2
a)2(x+1)3+(x-2)<x+4
b)3(x-5)-2(3x-1)>-5x-7
c)(4-3x)-(x-2)-(2x+5)<(2x-1)-(3x-1)
d)(5-x)-(2x-1)+(2x-5)>-(3x-1)-(x-1)
Zad3
a)2x+1/18+7-x/9=2x-1/4
b)2x-3/12+5-x/4=2x-6/3
c)x+11/6--5-2x/12=7+x/4
d)x+3/2-2x+5/5=1-x/10
e)1/z-a=bc+d
f)a/z+b/z=c
g)a/z=z/b
h)z/a+b=c/z
Zad4
z podanego wzoru wyznacz wskazane obok wielkosci
a)a+bk=kx-d d;x;k
b)a+x/b=y x;b
c)ax do potegi 2 +by=y b;y;x


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