Respuesta :

gmany

Answer:

D) 7

Step-by-step explanation:

[tex]x-\dfrac{2}{3}=6\dfrac{1}{3}\qquad\text{add}\ \dfrac{2}{3}\ \text{to both sides}\\\\x-\dfrac{2}{3}+\dfrac{2}{3}=6\dfrac{1}{3}+\dfrac{2}{3}\\\\x=6\dfrac{1+2}{3}\\\\x=6\dfrac{3}{3}\\\\x=7[/tex]

Answer:

D:7

Step-by-step explanation:

1) Convert mixed numbers into an improper fraction

6 1/3 = [tex]\frac{19}{3}[/tex]

Add 2/3 to both sides

x - 2/3 +2/3 = 19/3 + 2/3

x = 21/3 = 7

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