1) m-(647-47)=3800;
m-600=3800;
m=3800+600;
m=4400.
2) 60000-(n+12000)=37 000
n+12000=60000-37000
n+12000=23000
n=23000-12000
n=11000
3) (5682-р)+18=1700
5682-р=1700-18
5682-р=1682
p=5682-1682
p=4000
4) (r-1908)-92=4630
r-1908=4630+92
r-1908=4722
r=1908+4722
r=6630
5) (d-295)*13=260
d-295=260:13
d-295=20
d=295+20
d=315
6) 25*(540-s) =2500
540-s=2500:25
540-s=100
s=540-100
s=440
7) t:(6000-5996)=600
t:4=600
t=600*4
t=2400
8) (471+h):11=781
471+h=781*11
471+h=8591
h=8591-471
h=8120