Question

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

Answer 1

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

Answer 2

Răspuns:

    x = 2

Explicație pas cu pas:

    $\frac{2}{3x}+\frac{1}{6}=\frac{1}{2}$

    $\frac{2}{3x}=\frac{1}{2}-\frac{1}{6}$

    $\frac{2}{3x}=\frac{2}{6}$

    6x = 12

    x = 12 ÷ 6

    x = 2