Question

Tìm x biết 

X x 3 = 6/5 + 3

Answer 1

X x 3=6/5+3

=>X x 3=6/5+3/1=6/5+15/5=21/5

=>X x 3=21/5

=>X=21/5 : 3=21/5 x 1/3=7/5

 Vậy, x = 7/5

Answer 2

$\text{x × 3 = $\dfrac{6}{5}$ + 3}$

$\text{x × 3 = $\dfrac{21}{5}$}$

$\text{x = $\dfrac{21}{5}$ ÷ 3}$

$\text{x = $\dfrac{7}{5}$}$

$\text{Vậy x = $\dfrac{7}{5}$}$

Answer 3

X x 3=6/5+3

=>X x 3=6/5+3/1=6/5+15/5=21/5

=>X x 3=21/5

=>X=21/5 : 3=21/5 x 1/3=7/5

 Vậy, x = 7/5