Solve the equation: (8/9)x=(1/6)*(16/51)-(1/13).
解方程：(8/9)x=(1/6)*(16/51)-(1/13)．
<gadget id="calculator">49 / 1_768</gadget>
<output>49/1_768 = around 0.027715</output>

<result>49/1_768 = around 0.027715</result>