Question

Срочно умоляю Решите уравнение
5(2х-3)-2(3-2х)=15-6(х+1)

Answer 1

5 * (2x - 3) - 2 * (3 - 2x) = 15 - 6 * (x + 1)
x = 3/2 = 1 1/2   (x = 1.5)
5 * (2x - 3) - 2 * (3 - 2x) = 15 - 6 * (x + 1)
5 * (2x - 3) - 2 * ( - 2x + 3) = 15 - 6 * (x + 1)
(10x - 15) - 2 * ( - 2x + 3) = 15 - 6 * (x + 1)
(10x - 15) - ( - 4x + 6) = 15 - 6 * (x + 1)
14x - 21 = 15 - 6 * (x + 1)
14x - 21 = 15 - (6x + 6)
14x - 21 = - 6x + 9
20x = 30
x = 30/20 = 3/2 = 1 1/2   (x = 1.5)