2(x+13) = 0
2*x + 2*13 = 0
2x + 26 = 0
2x = -26
x = -13
ответ: -13
2(х + 13) = 0
2х + 26 = 0
2х = 0 - 26
2х = -26
х = -26/2
х = -13
2(x+13) = 0
2*x + 2*13 = 0
2x + 26 = 0
2x = -26
x = -13
ответ: -13
2(х + 13) = 0
2х + 26 = 0
2х = 0 - 26
2х = -26
х = -26/2
х = -13