Solve the equation: 0.8: 3(3/4)=(5-x): 0.75.
解方程：0.8：3(3/4)=(5-x)：0.75．
<gadget id="calculator">0.8 * 0.75</gadget>
<output>0.6</output>

<gadget id="calculator">18.75 - 0.6</gadget>
<output>18.15</output>

<gadget id="calculator">75 / 4</gadget>
<output>75/4 = around 18.75</output>

<gadget id="calculator">15 / 4</gadget>
<output>15/4 = around 3.75</output>

<gadget id="calculator">(75/4) - (15/4)</gadget>
<output>15</output>

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">18.15 * (4/15)</gadget>
<output>4.84</output>

<result>4.84</result>