The solution of equation 2.54-2x=3x-0.81 is x=how much.
方程2.54-2x=3x-0.81的解是x=多少．
<gadget id="calculator">2.45 + 0.81</gadget>
<output>3.26</output>

<gadget id="calculator">3.26 / 5</gadget>
<output>0.652</output>

<result>0.652</result>