Question

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Answer 1

45

Explanation:

Since these two are linear angles, they must add up to 180 degrees. Therefore:

(2x+45)+x=180

3x+45=180

3x=135

x=45

Answer 2

x = 45 degrees

Explanation:

A straight line is 180 degrees so we can do 2x+45+x=180.

2x+x=180-45=

3x=135

135/3 = 45.

Ta da!