What is the solution of the equation 15x-25=10x+50.
方程15x-25=10x+50的解是多少．
<gadget id="calculator">25 + 50</gadget>
<output>75</output>

<gadget id="calculator">15 - 10</gadget>
<output>5</output>

<gadget id="calculator">75 / 5</gadget>
<output>15</output>

<result>15</result>