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I need this answer ASAP!​-example-1

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Answer:

x = 80

Explanation:

We know AEC + CEB = 180 since it forms a line

AEC + 160 = 180

AEC = 20

We also know that

AEC + AEF + FED = 180 since it forms a line

20 + x+ 80 = 180

Combine like terms

100 +x = 180

Subtract 100 from each side

100+x-100= 180-100

x = 80

User Grim Fandango
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