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insens350 [35]
3 years ago
14

What is the value of x???

Mathematics
2 answers:
densk [106]3 years ago
8 0
Simple...

you have: The angles are supplementary..what is the measure of angle x? 

Remember, supplementary means 180°

4x+20+40=180

4x+60=180

4x+60=180
     -60  -60

4x=120

x=30

Thus, your answer.
Colt1911 [192]3 years ago
3 0
4x+20+40=180
4x+60=180
4x=120
x=30

From: Dark Angel >:)

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i’ll try to help.

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