Solve the equation: ((0.01-0.03x)/(0.02))+0.5=((x-3)/2).
解方程：((0.01-0.03x)/(0.02))+0.5=((x-3)/2)．
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>