The solution of equation 2.5x-10=3(1/2)x-15 is x=how much.
方程2.5x-10=3(1/2)x-15的解为x=多少．
<gadget id="calculator">15 - 10</gadget>
<output>5</output>

<gadget id="calculator">3.5 - 2.5</gadget>
<output>1</output>

<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<result>5</result>