Question

7х-4 (х+1)= - 2х найьи корень уравнения ​

Answer 1

Объяснение:

7х-4(х+1)= - 2х

7х-4х-4= - 2х

7х-4х+2х=4

5х=4

Х=4:5

Х=0,8

Answer 2

$7x - 4(x + 1) = - 2x \\ 7x - 4x - 4 = - 2x \\ 3x - 4 = - 2x \\ 3x + 2x = 4 \\ 5x = 4 \\ x = 0.8$