Question

x-1+(x+2)=-4(-5-x)-5

Answer 1

x - 1 + x + 2 = 20 + 4x - 5
2x + 1 = 4x + 15
2x - 4x = - 1 + 15
- 2x = 14
2x =- 14
x = - 14/2
x = - 7

Answer 2

спс помогли

Answer 3

пожалуйста)))