Question

решите уравнение 1,2 - 2 * (1,3х+1) равно 5,6х - 27,04

Answer 1

1,2-2,6х-2=5,6х-27,04
-0,8-2,6х-5,6х+27,04
8,2х=26,24
х=3,2

Answer 2

1,2 - 2 * (1,3x+1) = 5,6x - 27,04
1,2 - 2,6x -2 = 5,6x - 27,04
- 0,8 - 2,6x = 5,6x - 27,04
26,6 = 8.2x
x= 26,6 : 8.2 (дробь)