August 2018 2 11 Report
Zad1.
Sprawdź, czy podana liczba spełnia dane równanie.
a) 2x+3=7 2
b) 13-x=6 -7
c) 2x+5=26 1
d) 31x-30=30 1
e) 2x+1=2 ½
f) 12(x-1)=12 2

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