Solve the equation: 5(x+1.5)=17.5.
解方程：5(x+1.5)=17.5．
<gadget id="calculator">5 * 1.5</gadget>
<output>7.5</output>

<gadget id="calculator">17.5 - 7.5</gadget>
<output>10</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<result>2</result>