Question

Решите уравнение
3 (-2х+1)-2 (х+13)=7х-4 (1-х)

Answer 1

-6x +3 -2x -26 = 7x-4+4x
-8 x - 7x - 4x = -4 + 26 -3
-19x=19
x=-1

Answer 2

3(-2х+1)-2(х+13)=7х-4(1-х)
(-6х+3)-(2х+26)=7х-(4-4х)
-6х+3-2х-26=7х-4+4х
-6х-2х-7х-4х=-3+26-4
-19х=19
х=19/(-19)
х=-1
ответ: -1