Solve the equation: (2/3)x-45%*4=(11/20).
解方程：(2/3)x-45%*4=(11/20)．
<gadget id="calculator">11 / 20</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">(9/20) * 4</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">(11/20) + (9/5)</gadget>
<output>47/20 = around 2.35</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(47/20) / (2/3)</gadget>
<output>141/40 = around 3.525</output>

<result>141/40 = around 3.525</result>