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23 votes
23 votes
X=
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X= ///////////////////////////////////-example-1

1 Answer

16 votes
16 votes

Answer:

x = 90

Step-by-step explanation:

(180 - x) = x

180 - x = x

180 = x + x

2x = 180

x = 180 / 2

x = 90

User Julien Reszka
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