Решение:
7 - 4(3x - 1) = 5(1 - 2x)
7 - 12x + 4 = 5 - 10x
11 - 12x = 5 - 10x
-12x + 10x = 5 - 11
-2x = -6
x = -6 / -2
x = 3
Ответ: x = 3.
Решение:
7 - 4(3x - 1) = 5(1 - 2x)
7 - 12x + 4 = 5 - 10x
11 - 12x = 5 - 10x
-12x + 10x = 5 - 11
-2x = -6
x = -6 / -2
x = 3
Ответ: x = 3.