September 2018 2 22 Report

Roziąż metodą podstawiania .
a) {x+3y=12
{2x-y=3

b) {5x/2+y/5=-4
{w/3+y/6=5

c) {x+2y=5
{2x+4(y-2)=0

Bardzo proszę o pomoc .


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