January 2019 1 13 Report
Zad.1)Wskaż równanie sprzeczne:
a)7x+8=-7x-8
b)7x=0
c)7x+8=7x-8
d) 7x+8=7x+3+5
zad.2)Rozwiąż równania:
a)4-x=(32+x)-(2x+28)
b)9x-8x+(16+2x)=5(2-x)
c)7+3x=4(0,75x+7)
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