Respuesta :

zoeryannanoel
6(x+20)=168

6(20 + x) = 168 (20 * 6 + x * 6) = 168 (120 + 6x) = 168

120 + 6x = 168

120 + -120 + 6x = 168 + -120




0 + 6x = 168 + -120 6x = 168 + -120

6x = 48

x = 8

lanah1
6(x+20)=168
6x+120=168
-120=-120
__________
6x. =48
/6. /6

x=8