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Dima020 [189]
4 years ago
8

Solve for in the diagram below.

Mathematics
1 answer:
Sveta_85 [38]4 years ago
7 0

Answer:

x = 20

Step-by-step explanation:

The sum of the three angles in the diagram is 180 degrees since they form a straight line

x + 100 + 3x = 180

Combine like terms

100 +4x = 180

Subtract 100 from each side

100+4x-100 =180-100

4x= 80

Divide each side by 4

4x/4 = 80/4

x = 20

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