Answer:
[tex]x = 45[/tex]
Step-by-step explanation:
You'll solve it like this:
[tex]2x+45+x=180[/tex]
Grap it on desmos to check the x value
[tex]x=45[/tex]
Check your answer by substituting:
[tex]2(45)+45+45[/tex]
Which is then equal to [tex]180[/tex]
