Question

Решите уравнение: 12+2x=4(5-х)

Answer 1

12+2х=20-4х
2х+4х=20-12
6х=8
х=8/6 или 4/3

Answer 2

12+2x=4(5-х)

12+2x=20-4x

2x+2x=20-12

6x=8

x=8/6

x=4/3=1 1/3