September 2018 2 41 Report

Rozwiaż układy równań:

a){2(x-1)+(y+2)=4

{3(x+1)-(y-3)=7

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

{(x+2)-4(y-1)=1

c){-2(x-3)-(4-y)=0

{5(x+1)+3(2-y)=17

d){4(x+3)-2(y+1)=0

{2(y-1)-(3-x)=-10

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