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atroni [7]
2 years ago
10

What does x equal? Thanks!

Mathematics
2 answers:
Tasya [4]2 years ago
7 0

Answer:

Hi there!

The answer to this question is x=79

Step-by-step explanation:

using the triangle sum theorem

you know all angles add up to 180

so in other words: x+(x-17)+39=180

then you simplify: 2x=158

x=79  

mel-nik [20]2 years ago
3 0
X+x-17+39=180
2x+22=180
Subtract 22 from both sides
2x=158
X= 79
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