👤

2/3x+1/6=1/2 ; x e un nr. rational pozitiv

Răspuns :

Răspuns:

2/3x+1/6=1/2

4x+1=3

4x=3-1

4x=2

x=2:4

x=2/4

x=1/2

sau

2/3x+1/6=1/2

2/3x=1/2-1/6

2/3x=1/3

6=3x

3x=6

x=6:3

x=2