Solve the equation: (11/4)-2x=(3/4).
解方程：(11/4)-2x=(3/4)．
<gadget id="calculator">11 / 4</gadget>
<output>11/4 = around 2.75</output>

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

<gadget id="calculator">(11/4) - (3/4)</gadget>
<output>2</output>

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

<result>1</result>