А) 96(x-1) - (7x-64) = 38(2-x) + 3(17-2x) + 8396x - 96 - 7x + 64 = 76 - 38x + 51 - 6x + 8389x - 32 = 127 - 44x89x + 44x = 127 + 32133x = 159x = 159/133x = 1.196
б) -(10x - 18) + 19(4 - 3x) = 9 - 21(x + 7) + 4(18 - 3x)-10x + 18 + 76 - 57x = 9 - 21x - 147 + 72 - 12x-67x + 94 = -21x - 66-67x + 21x = -66 - 94-46x = -160x = -160/-46x ≈ 3.478
в) 18(18 - x) - 20(2x + 20) - 8 = 19(19 - 3x) - 25(x - 25)324 - 18x - 40x - 400 - 8 = 361 - 57x - 25x + 625-58 - 58x = 986 - 82x24x = 1044x = 1044/24x = 43.5
А) 96(x-1) - (7x-64) = 38(2-x) + 3(17-2x) + 83
96x - 96 - 7x + 64 = 76 - 38x + 51 - 6x + 83
89x - 32 = 127 - 44x
89x + 44x = 127 + 32
133x = 159
x = 159/133
x = 1.196
б) -(10x - 18) + 19(4 - 3x) = 9 - 21(x + 7) + 4(18 - 3x)
-10x + 18 + 76 - 57x = 9 - 21x - 147 + 72 - 12x
-67x + 94 = -21x - 66
-67x + 21x = -66 - 94
-46x = -160
x = -160/-46
x ≈ 3.478
в) 18(18 - x) - 20(2x + 20) - 8 = 19(19 - 3x) - 25(x - 25)
324 - 18x - 40x - 400 - 8 = 361 - 57x - 25x + 625
-58 - 58x = 986 - 82x
24x = 1044
x = 1044/24
x = 43.5