M - (647-47) = 3800
m - 600 = 3800
m = 3800 + 600
m = 4400
60000 - (n+12000) = 37000
60000 - n - 12000 = 37000
48000 - n = 37000
-n = 37000 - 48000
-n = -11000
n = 11000
(5682 - p) + 18 = 1700
5682 - p = 1700 - 18
-p = 1682 - 5682
-p = -4000
p = 4000
(r-1908) -92 = 4630
r - 1908 = 4630 + 92
r = 4722 + 1908
r = 6630
(d-295)*13 = 260
d - 295 = 260/13
d = 20 + 295
d = 315
25*(540-s) = 2500
540-s = 2500/25
- s = 100 - 540
-s = -440
s = 440
t:(6000-5996)=600
t:4=600
t=600*4
t = 2400
(471+h):11=781
471 + h = 781/11
h = 71 - 471
h = - 400