February 2019 0 12 Report
Rozwiąż układy równań metodą podstawiania

a) {x+4=0
{x+y=10

b) {8x-6y=10
{7x+y=5

c) {12x-7y= -16
{x-3y= -69

BŁAGAM O SZYBKIE ROZWIĄZANIE DAM NAJ
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