September 2018 1 20 Report

Podane Uklady rozwiąż metoda mieszaną kl.3gimn.

Daje naj!!..Błagam!!!

a)x+3=y-1

3x+4=2y-3

b)2(y-x)=5

-(2x-y)=2

C)0,7x+0,3y=1(x-y)

2

1-(y-2)=2(1-y)

wiem tylko jakie są wyniki tak dla ułatwienia xDD

a) y=2

x=2

b)y=3

x=1

2

c)y=-1

x=4


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