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denpristay [2]
3 years ago
5

What is the value of x?

Mathematics
1 answer:
blsea [12.9K]3 years ago
3 0
Since these are supplementary angles  (two angles which sum to 180°) we can say:

4x+x=180  combine like terms on left side

5x=180  divide both sides by 5

x=36°
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