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Rezolva ecuatia urmatoare (2x-1):13+2=3

Răspuns :

(2x-1):13+2=3
(2x-1):13=3-2
(2x-1):13=1
2x-1=1*13
2x-1=13
2x=13+1
2x=14
x=14:2
x=7
(2x-1):13=3-2
(2x-1):13=1
2x-1=1x13
2x-1=13
2x=13+1
2x=14
x=14:2
x=7