What is the solution of the equation 3x+8=12.5 x=
方程3x+8=12.5的解是x=多少
<gadget id="calculator">12.5 - 8</gadget>
<output>4.5</output>

<gadget id="calculator">4.5 / 3</gadget>
<output>1.5</output>

<result>1.5</result>