Solve the equation: 7.5x-5.9,46-x)=10.
解方程：7.5x-5.9,46-x)=10．
<gadget id="calculator">271.4 + 10</gadget>
<output>281.4</output>

<gadget id="calculator">7.5 + 5.9</gadget>
<output>13.4</output>

<gadget id="calculator">281.4 / 13.4</gadget>
<output>21</output>

<result>21</result>