October 2018 2 16 Report

rozwiąż równania

a) 2a-3=a+1=

b) 4b+3=3b-4=

c) 7+3c=-5+2c=

d) 5d+2=3d=

e) 6e-7=9e+5=

f) 6f-1=f+2=

zapisz w prostszej postaci

a) 2a+1+a=

b) -5+7a+6a


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