Answer:
x = 56/63
Step-by-step explanation:
[tex]\frac{5}{9}-\frac{2}{7}x =\frac{19}{63}[/tex]
[tex]\frac{19}{63} - \frac{5}{9} =\frac{-2}{7}x\\\\\frac{19-35}{63}=\frac{-2}{7}x\\\\\frac{-16}{63}= \frac{-2}{7}x\\\\\frac{-16}{63}*\frac{-7}{2} = x\\\\\frac{112}{126}=x\\\\x= \frac{56}{63}[/tex]