This question that I need to help on is Unknown angle problems (with Algebra)
2 answers:
Answer: x=20
Step-by-step explanation:
The entire thing is equal to 180 degrees. so, 100+3x+x=180, which can be simplified to 100+4x=180. If we subtract 100 from both sides, we get 4x=80, 80 divided by 4 is 20, so x=20
Answer:
x=20
Step-by-step explanation:
Let us start by making an equation:
4x+100=180
Solving for x: 4x=180-100
4x=80
x=20
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