The equation ax+2.5=2.95 has the same solution as 7x-1.5=0.6, then a=how much.
方程ax+2.5=2.95与7x-1.5=0.6的解相同，则a=多少．
<gadget id="calculator">2.95 - 2.5</gadget>
<output>0.45</output>

<gadget id="calculator">0.6 + 1.5</gadget>
<output>2.1</output>

<gadget id="calculator">2.1 / 7</gadget>
<output>0.3</output>

<gadget id="calculator">0.45 / 0.3</gadget>
<output>1.5</output>

<result>1.5</result>