Question

Решите уравнение 3(2x-4)=2x-(5x+9)

Answer 1

3(2x-4)=2x-(5x+9)
6x-12=2x-5x-9
6x-12-2x+5x+9=0
9x+3=0
9x=-3
x=-3 : 9
x=$-\frac{1}{3}$

Answer 2

3(2х-4)=2х-(5х+9)
6х-12=2х-5х-9
6х-2х+5х=12-9
9х=3
х=1/3
Ответ:1/3