October 2018 1 19 Report

Prosze zrobić zadanie daje 35pkt

Rozwiąz układ równań.

a) {x=5

{2x+y=13

b){2x-3y=1

{x=-1

c){x+y=4

{x-y=3

d){2x+y=4

{3x-y=-2

e){3x-2y=1

{2x+y=0


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