Question

NO FILES I really need this one correct plz and thank you.

Answer 1

Answer:

$x=20$°

Step-by-step explanation:

→ $x+100+3x=180$

→ $4x+100=180$

→ $4x=180-100$

→ $4x=80$

→ $x=\frac{80}{4}=20$

$x=20$°

$---------$

hope it helps...

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