19 - 2(3x + 8) = 2x - 319 - 6x - 16 = 2x - 33 - 6x = 2x - 3-6x - 2x = -37 - -8x = -4x = -40 / -x = 5
Ответ: x = 5.
19 - 2(3x + 8) = 2x - 3
19 - 6x - 16 = 2x - 3
3 - 6x = 2x - 3
-6x - 2x = -37 -
-8x = -4
x = -40 / -
x = 5
Ответ: x = 5.