September 2018 1 12 Report

zad1.rozwiąż równania w pamięci
a)2,5x=-10
b) 2x-3=5

c)9+3x= 6

d)x- 1/2(jedna druga)=2x+1

e) 3-x=2x+6

f)1/4(jedna czwarta)x+2=-4+1 1/4(jedna czwarta)x
zad2 rozwiąż i sprawdz równania.

a)25-7x=3x+57
b)-6y+27-7y=12-3y-5
c)35x-18+43=2x+15+23x
d)23y+9-6y-42-y=7y-8+4y-5

e)4x+18-5x-3=17-8x+3x+10

f) 3y-7+4-6y-13+3y=5y-4+18-2y


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