Respuesta :
Answer:
The answer is x=5.
Step-by-step explanation:
11x + 7x + 90 = 180
18x + 90 = 180
    -90   -90
= 18x = 90
 x = 5
x is 5!
Answer:
The answer is x=5.
Step-by-step explanation:
11x + 7x + 90 = 180
18x + 90 = 180
    -90   -90
= 18x = 90
 x = 5
x is 5!