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X+1 supra 6 =27 3x-1 supra 15 =4supra12 3 supra x+4=6 supra 18 DAU FUNDA!

Răspuns :

x+1/6=27

x+1=27*6

x+1=162

x=162-1

x=161

3x-1/15=4/12

12(3x-1)=60

36x-12=60

36x=60+12

36x=72

x=2

3/x+4=6/18

6(x+4)=54

6x+24=54

6x=54-24

6x=30

x=5