Solve the equation: 200x+(9-x)-(100,9-x)+x)=693.
解方程：200x+(9-x)-(100,9-x)+x)=693．
<gadget id="calculator">693 - 9</gadget>
<output>684</output>

<gadget id="calculator">900 + 684</gadget>
<output>1_584</output>

<gadget id="calculator">100 - 1 - 1</gadget>
<output>98</output>

<gadget id="calculator">200 + 98</gadget>
<output>298</output>

<gadget id="calculator">1_584 / 298</gadget>
<output>792/149 = around 5.315436</output>

<result>792/149 = around 5.315436</result>