September 2018 2 12 Report
Zad 1 .
a) 3x-5=4+2x
b)-5x+10=-2x-8
c)-5x-17=-9x+3
d)7x+14=5x-22
e)2x-4+5x=x+2
f)-3+2x-6=3-4x
g)7x+2=5+3x+9
h)-5x+12+x=2x-12

zad 2 .
a)2(x-3)+3(4-x)=5
b)3(x-4)-2(2x-5)=-4
c)2(x+4)-5(x+3)=2
d)-2(x+3)+4(2x+3)=-6

zad 3 .
a) (4-2x)-(x+3)=(x-5)+(-3-x)
b)(3-2x)+(3x+4)=-(3-2x)+(5x+4)
c)-(x+3)+(2x-1)=(1+4x)+(3+x)
d)-(x+3)-(2x+8)=(-3-2x)+(2x+1)

zad 4 .
a)(3-2x)-(x+4)-(2x+5)=(3x-4)-(5x+7)
b)(4-x)-(2x+3)+(x-4)=-(2x-3)-(x+7)
c)(4x-5)+(x-7)-(2x-8)=(-3x+4)-(x-6)
d)-(4-2x)-(2x+4)=(3x-1)+(2x-5)-(7-3x)




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