September 2018 2 21 Report

1. Rozwiąż równania :

a) -4(5-6z)-9(3z-2)=0

b) 5(4x+3)=2(9x-1)-3(2x+1)+4

c) -7(3x+5)-4(-2+x)=3(6x-1)+3(-x-1)

d) -[-9+2(1-2x)+(4x-3)]=5x-1

2.Rozwiąż równania :

a) 2(2x-3)+12=x-3(x+2)

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

c) 8(3y-2)-7y=5(12-3y)+13y

d) 2(2,5x-1)-3(x-0,2)=3,2(2x-3)


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