Solve the equation: 15x-10=7x+6.
解方程：15x-10=7x+6．
<gadget id="calculator">10 + 6</gadget>
<output>16</output>

<gadget id="calculator">15 - 7</gadget>
<output>8</output>

<gadget id="calculator">16 / 8</gadget>
<output>2</output>

<result>2</result>