Question

x + 25 + 10x + x + 75 = 180

Answer 1

x+10x+x=180-25-75
12x= 80
x= 80/12
x= 6,67

Answer 2

Olá, boa noite ☺

Resolução:

x+ 25 + 10x + x + 75 = 180
x+10x+x=180-25-75
12x=80
x=80/12 : 4/4=20/3
x=20/3.

Bons estudos :)