It would be 400. Hope this helped. :)
Answer:
en que te ayudo
Step-by-step explanation:
TIENES TAREA
]Answer:

Step-by-step explanation:
Substitute the value of the variable into the equation and simplify.

Solve it out.
Multiply / divide / add / subtract everything out.
Step-by-step explanation:
5x-7+3x+27=180
8x+20=180
8x=160
x=20°.
hope this helps you.