решить уравнение 2(х-8)=20

Question

решить уравнение 2(х-8)=20

Answer 1

2х-16=20

2х=36

х=18                                                                                                                  

Answer 2

2(х-8)=20

x-8=20:2 

x-8=10

x=10+8

x=18