September 2018 1 63 Report

Sprawdz, czy podane pary liczb spelniaja rownanie 2x-3y=5.

a.) x=0,55 y=-1,3

b.) x=8 y=3

c.) x=-1 y= -2⅓

d.) x=½ y=2

prosze o wytlumaczenie, jak to zrobiles/as :)

z gory dziekuje ;)


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