I really don't understand 18. Please help!

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asked Nov 14, 2018 29.6k views

1 Answer

Yuming Cao · Answer 1 · 2018-11-20T13:22:56+0000

The expression is the sum of all the expressions for each angle
(3x-170)+ (200-2x)+ (x-35)

Combine all like terms
3x-2x+x= 2x
-170+200-35= -5

Final answer: 2x-5

I really don't understand 18. Please help!

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