<span>m-(647-47)=3800</span>
<span>m-600=3800</span>
<span>m=3800+600</span>
<span>m= 4400</span>
<span><span>60000-(n+12000)=37000</span></span>
<span><span>60000-37000=n+12000</span></span>
<span><span>23000=n+12000</span></span>
<span><span>n=23000-12000</span></span>
<span><span>n=11000</span></span>
<span><span><span>(5682-p)+18=1700</span></span></span>
<span><span><span>5682-p=1700-18</span></span></span>
<span><span><span>5682-p=1682</span></span></span>
<span><span><span>5682-1682=p</span></span></span>
<span><span><span>p=4000</span></span></span>
<span><span><span><span>(r-1908)-92=4630</span></span></span></span>
<span><span><span><span>r-1908=4630+92</span></span></span></span>
<span><span><span><span>r-1908=4722</span></span></span></span>
<span><span><span><span>r=4722+1908</span></span></span></span>
<span><span><span><span>r=6630</span></span></span></span>