Первое уравнение4x + 5(3 - 2x) = 5 - 114x + 15 - 10x = 5 - 11-6x + 15 = 5 - 11-6x + 11x = 5 - 15x = -1x = -2
Второе уравнение19 - 2(3x + 8) = 2x - 319 - 6x - 16 = 2x - 33 - 6x = 2x - 3-6x - 2x = -37 - -8x = -4x = 5
Ответ: x = -2, x = 5.
Первое уравнение
4x + 5(3 - 2x) = 5 - 11
4x + 15 - 10x = 5 - 11
-6x + 15 = 5 - 11
-6x + 11x = 5 - 1
5x = -1
x = -2
Второе уравнение
19 - 2(3x + 8) = 2x - 3
19 - 6x - 16 = 2x - 3
3 - 6x = 2x - 3
-6x - 2x = -37 -
-8x = -4
x = 5
Ответ: x = -2, x = 5.