Solve the equation: (3/4)x-6=(2/5)x+3.
解方程：(3/4)x-6=(2/5)x+3．
<gadget id="calculator">6 + 3</gadget>
<output>9</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/4) - (2/5)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">9 / (7/20)</gadget>
<output>180/7 = around 25.714286</output>

<result>180/7 = around 25.714286</result>