Question

5(x+1)-4(1-x)-x-4 помогите

Answer 1

5х + 5 - 4 + 4х - х - 4 = 8х - 3

Answer 2

5 ( х + 1 ) - 4 ( 1 - х ) - х - 4 =
5х + 5 - 4 - 4х -х -4 =
5х - 5х +1 - 4 =
1 - 4 =
- 3