October 2018 1 61 Report

Rozwiąż układ równań

1. { 4x-y = 6

{ x-2y= -2

2. { 2x+y=7

{ y-2x=-1

3. { x+y/2 - x-y/4= -1

{ x+y= 2

Proszę o jak najszybszą pomoc !


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