Answer:
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
x = 45 degrees
A straight line is 180 degrees so we can do 2x+45+x=180.
2x+x=180-45=
135/3 = 45.
Ta da!
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