Solve the equation: x-(5/12)=x+4-(6/13)(x+4).
解方程：x-(5/12)=x+4-(6/13)(x+4)．
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">6 / 13</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">(6/13) * 4</gadget>
<output>24/13 = around 1.846154</output>

<gadget id="calculator">4 - (24/13)</gadget>
<output>28/13 = around 2.153846</output>

<gadget id="calculator">(5/12) + (28/13)</gadget>
<output>401/156 = around 2.570513</output>

<gadget id="calculator">(6/13) - 1</gadget>
<output>-7/13 = around -0.538462</output>

<gadget id="calculator">1 + (-7/13)</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">(401/156) / (6/13)</gadget>
<output>401/72 = around 5.569444</output>

<result>401/72 = around 5.569444</result>