Question

Решите уравнения 3(5-2x)+7=3-4x

Answer 1

3( 5 - 2х ) + 7 = 3 - 4х
15 - 6х + 7 = 3 - 4х
22 - 6х = 3 - 4х
6х - 4х = 22 - 3
2х = 19
Х = 9,5

Answer 2

15-6х+7=3-4х
-6х+4х=3-7-15
-2х=-19
х=19:2
х=9,5