Solve the equation: 9, 4x-1)-(2x+1)=41.
解方程：9,4x-1)-(2x+1)=41．
<gadget id="calculator">9 + 1 + 41</gadget>
<output>51</output>

<gadget id="calculator">36 - 2</gadget>
<output>34</output>

<gadget id="calculator">51 / 34</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>