September 2018 1 10 Report

Rozwiąż układ równań metodą podstawiania.

Zad 1

a )

x=3

y+2x=7

b)

y=2

2x+y=8

c)

x= -2

3y+7x=1

Zad 2 to samo polecenie

a) y-3x=0

5x-y=10

b) x+y=6

2x+y-11=0

c) x-4y=2

x+5y=11

Zad 3 to samo polecenie

a)x+y=3

2x-6=-2y

b) x+y=3

x+y-1=0

c) x+y=3

x-y-1=0

Błagam pomóżcie ; (


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