September 2018 2 15 Report

zad7 Rozwiąż układy równań metodom podstawiania

a) {x+2y=-2

2x-y=1

b) {x+4y=-2

3x-8y=10

c) {x-2y=3

-2x+y=0

d) {3x-2y=5

2x-y=4

e) {2x+9y=-9

-3+3y=8

f) {x-y=0

x+y+z=4

x+2y+3z=9

pilne na dzisiaj


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