5+6x+8=1
6x=1-5-8
6x=-12
x=-2
5 + 2(3х + 4) = 1
5 + 6x + 8 = 1
6x = 1 - 5 - 8
6x = -12
x = -12 : 6
x = -2
Проверка:
5 + 2(3 * (-2) + 4) = 1
5 + 2(-6 + 4) = 1
5 - 12 + 8 = 1
13 - 12 = 1
1 = 1 верно
5+6x+8=1
6x=1-5-8
6x=-12
x=-2
5 + 2(3х + 4) = 1
5 + 6x + 8 = 1
6x = 1 - 5 - 8
6x = -12
x = -12 : 6
x = -2
Проверка:
5 + 2(3 * (-2) + 4) = 1
5 + 2(-6 + 4) = 1
5 - 12 + 8 = 1
13 - 12 = 1
1 = 1 верно