2 - 5(x - 8) = x - 3
2 - 5x + 40 = x - 3
-5x + 42 = x - 3
-5x - x = -3 - 42
-6x = -45
x = -45 / -6
x = 7.5
5x + 3(2 - 3x) + 2x + 9 = 0
5x + 6 - 9x + 2x + 9 = 0
-2x + 15 = 0
-2x = -15
x = -15 / -2
x = 7.5
3(3 – 2x) + 8 + 2x = 5
9 - 6x + 8 + 2x = 5
-4x + 17 = 5
-4x = 5 - 17
-4x = -12
x = -12 / -4
x = 3
2(1 - 4x) - 12 + 3x = 15
2 - 8x - 12 + 3x = 15
-5x - 10 = 15
-5x = 15 + 10
-5x = 25
x = 25 / -5
x = -5
11 - 5x = 2(3 – 4x) – 16
11 - 5x = 6 - 8x - 16
11 - 5x = -8x - 10
-5x + 8x = -10 - 11
3x = -21
x = -21 / 3
x = -7
Ответ: x = 7.5; x = 7.5; x = 3; x = -5; x = -7