Solve the equation: (7/9)-(x-(1/6))=(1/3).
解方程：(7/9)-(x-(1/6))=(1/3)．
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/6) - (1/3)</gadget>
<output>-1/6 = around -0.166667</output>

<gadget id="calculator">(7/9) + (-1/6)</gadget>
<output>11/18 = around 0.611111</output>

<result>11/18 = around 0.611111</result>