Simplify$$(\frac{2}{3})$$+$$(\frac{5}{6})$$-$$(\frac{1}{9})$$+$$(\frac{7}{9})$$
$$\frac{2}{3}+\frac{5}{6}-\frac{1}{9}+\frac{7}{9}$$
$$=\frac{12+15-2+14}{18}.$$
$$=\frac{39}{18}.$$
$$=\frac{13}{6}.$$
A is correct choice.
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