Answer:

Step-by-step explanation:














Hope this is correct and helpful
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All you need to do for angles like GBH is work out the angle at point B. With questions like this, work out the angle at the letter in the middle.
Explanation is in the file
tinyurl.com/wpazsebu
Answer:
28+8+2
Step-by-step explanation:
-2(3x+12y-5-17x-16y+4)
-2(3x+12y-1-17x-16y+4)
-2(3+12-1-17-16)
-2(-14+12-1-16)
-2(-14+12-1-16y)
-2(-14-4-1)
-2(-14-4-1)
28+8+2