Solve the equation: 2x-(8/9)=(10/9).
解方程：2x-(8/9)=(10/9)．
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">10 / 9</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">(8/9) + (10/9)</gadget>
<output>2</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<result>1</result>