Solve the equation: (5/8)+4x=(7/8).
解方程：(5/8)+4x=(7/8)．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(7/8) - (5/8)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 4</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>