Solve the equation: ((x-1)/2)-(1/8)=((x)/4)+1.
解方程：((x-1)/2)-(1/8)=((x)/4)+1．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/2) + (1/8) + 1</gadget>
<output>13/8 = around 1.625</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(13/8) / (1/4)</gadget>
<output>13/2 = around 6.5</output>

<result>13/2 = around 6.5</result>