What is the value of x? Enter your answer in the box. x =

asked Nov 22, 2018 135k views

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What is the value of x?

Enter your answer in the box.
x =

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4 votes

100+(x-4)+3x=180

x-4+3x=80

4x-4=80

4x=84

x=21 degrees

(the three angles are 100, 63, and 17 respectively)

Alex Taggart answered Nov 24, 2018

5.4k points

3 votes

remember all angles in triangle add to 180

x-4+3x+100=180
4x+96=180
minus 96 both sides
4x=84
divide both sides by 4
x=21 degrees

Ishk answered Nov 26, 2018

by Ishk

6.2k points

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