October 2018 1 9 Report

PILNE! :D

a) 5x+2y=3 -

4y+6=10x

b) x+y=5

2x+2 (y-4)=4

c) 5x-2y=8

10y-4x=16

d) x+y = 5

2x+y=10

z góry WIELKIE dzięki ; *


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