Question

Solve for x in the diagram below.

Answer 1

45

Explanation:

2x+45+x=180

2x+x=180-45

3x=135

x=135/3

x=45

Answer 2

2x + 45 + x = 180

45 + 3x = 180

3x = 180-45

3x = 135

3. 3

x= 45°