решите уравнение
8х+3(7-2х)=4х+3
Ответ
5
8х+3(7-2х)=4х+3
8х+21-6х=4х+3
8х-6х-4х=3-21
-2х=-18
х=9
8х+21-6х=4х+3
8х-6х-4х=3-21
-2х=-18
х=9
Ответ
1
8x + 21 - 6x = 4x + 3
-2x = - 18
x = 9
-2x = - 18
x = 9