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6x+1=19cum we resolve


Răspuns :

6x+1=19
6x=19-1
6x=18
x=18:6
x=3
V: 6*3+1=18+1=19
6x+1 =19
6x =19-1 =18
x =18:6 =3
verif;    6*3 +1  = 19