Question

Помогите решить пожалуйста
х-2х+3=7
Х-3=2х+1

Answer 1

x - 2x + 3 = 7
x - 2x = 7 - 3
-x = 4
x = -4

x - 3 = 2x + 1
x - 2x = 1 + 3
-x = 4
x = -4

Answer 2

$1 \ x - 2x + 3 = 7 \ - x + 3 = 7 \ - x = 7 - 3 \ - x = 4 \ x = - 4 \ \ 2 \ x - 3 = 2x - 1 \ x - 2x = 1 + 3=4 \ - x = 4 \ x = - 4$