Solve the equation: (2/3)x+(1/18)+(2/3)x=(2/3).
解方程：(2/3)x+(1/18)+(2/3)x=(2/3)．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">(2/3) - (1/18)</gadget>
<output>11/18 = around 0.611111</output>

<gadget id="calculator">(2/3) + (2/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(11/18) / (4/3)</gadget>
<output>11/24 = around 0.458333</output>

<result>11/24 = around 0.458333</result>