Answer:

Step-by-step explanation:
First open the brackets

Then collect the like terms

Solve the like terms

The simplified form is

Answer:
Step-by-step explanation:
12+x+10=480
22+x=480
x=458
2(12)+2(x+10)=480
24+2x+20=480
44+2x=480
2x=436
x=218
Answer:
the value of angle W = 81° and x = 35°
Step-by-step explanation:
the explanation is in the attached picture
Answer:
where is figure by the way