75.883 - (31.200 + x) = 99975.883 - 31.200 - x = 99944.683 - x = 999-x = 999 - 44.683-x = 954.317x = -954.317
(5.376 - a) - 3.877 = 9045.376 - a - 3.877 = 9041.499 - a = 904-a = 904 - 1.499-a = 902.501a = -902.501
(k - 7.756) - 12.000 = 4.896k - 7.756 - 12 = 4.896k - 19.756 = 4.896k = 4.896 + 19.756k = 24.652
4.284 - (c - 378) = 1.2874.284 - c + 378 = 1.287382.284 - c = 1.287-c = 1.287 - 382.284-c = -381.997c = 381.997
75.883 - (31.200 + x) = 999
75.883 - 31.200 - x = 999
44.683 - x = 999
-x = 999 - 44.683
-x = 954.317
x = -954.317
(5.376 - a) - 3.877 = 904
5.376 - a - 3.877 = 904
1.499 - a = 904
-a = 904 - 1.499
-a = 902.501
a = -902.501
(k - 7.756) - 12.000 = 4.896
k - 7.756 - 12 = 4.896
k - 19.756 = 4.896
k = 4.896 + 19.756
k = 24.652
4.284 - (c - 378) = 1.287
4.284 - c + 378 = 1.287
382.284 - c = 1.287
-c = 1.287 - 382.284
-c = -381.997
c = 381.997