September 2018 1 20 Report

Rozwiąż układy równań.

a){ 2x-y-3=0

-4x+2y=6

b){3x+2y-5=0

-4x+3y+1=0

c) {2y-x=2

2x=4(y-1)

d){5(x+1)=2(y-8)

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

* nawiasy zajmują dwie linijki ;)


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