Question

Умоляю! Помогите
1) | 4-3х| = 10

2) (2х + 4) × (х - 5) =0

3) -0,8х - 2 2/3 = 0,6х + 1/5

Answer 1

1)х1=-2
х2=14/3
2)х1=-2
х2=5
3)х=-55/9