А) 41 - (4x/6 + 21) = 1841 - (2x/3 + 21) = 1841 - 21 = 18 + 2x/320 = 18 + 2x/32 = 2x/3x = 3
Б) 3530/5 - (x - 117) = 821706 - x + 117 = 821823 - x = 821-x = -2x = 2
В) ((138x - 5859)/39 + 28604)/403 29 - 1059 = 1000(138x - 5859)/39 + 28604 = 403 36 + 1059(138x - 5859)/39 = 14508 + 1059 - 28604(138x - 5859)/39 = -13037138x - 5859 = -507243138x = -501384x = -3634
Г) 2020 - (28836/(3060 - 780/x * 208) + 5319) = 1352020 - (28836/(3060 - 780x/208) + 5319) = 1352020 - (28836/(3060 - 3.75x) + 5319) = 1352020 - 9464.3/(3060 - 3.75x) = 135-7444.3/(3060 - 3.75x) = 135 - 2020-7444.3/(3060 - 3.75x) = -18857444.3 = 1885(3060 - 3.75x)7444.3 = 5754600 - 6572.5x-6572.5x = 5754600 - 7444.3-6572.5x = 5747155.7x = -874.14
А) 41 - (4x/6 + 21) = 18
41 - (2x/3 + 21) = 18
41 - 21 = 18 + 2x/3
20 = 18 + 2x/3
2 = 2x/3
x = 3
Б) 3530/5 - (x - 117) = 821
706 - x + 117 = 821
823 - x = 821
-x = -2
x = 2
В) ((138x - 5859)/39 + 28604)/403 29 - 1059 = 1000
(138x - 5859)/39 + 28604 = 403 36 + 1059
(138x - 5859)/39 = 14508 + 1059 - 28604
(138x - 5859)/39 = -13037
138x - 5859 = -507243
138x = -501384
x = -3634
Г) 2020 - (28836/(3060 - 780/x * 208) + 5319) = 135
2020 - (28836/(3060 - 780x/208) + 5319) = 135
2020 - (28836/(3060 - 3.75x) + 5319) = 135
2020 - 9464.3/(3060 - 3.75x) = 135
-7444.3/(3060 - 3.75x) = 135 - 2020
-7444.3/(3060 - 3.75x) = -1885
7444.3 = 1885(3060 - 3.75x)
7444.3 = 5754600 - 6572.5x
-6572.5x = 5754600 - 7444.3
-6572.5x = 5747155.7
x = -874.14