21х- 5(2х-7)=24решите

Question

21х- 5(2х-7)=24
решите

Answer 1

21x-5(2x-7)=24
21x-10x+35=24
21x-10x=24-35
11x=-11
x=-1

Answer 2

21x-10x=24+35
11x=59
x=59:11
x=5.4