What is the value of X?

asked Oct 14, 2017 35.4k views

1 vote

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4 votes

x+(x+20)+40=180
2x + 60 = 180
subtract 60 from both sides
2x = 120
divide both sides by 2
x = 60

William Choy answered Oct 17, 2017

8.3k points

6 votes

All traingles equal 180 degrees.
Do 40 + x + x + 20 = 180
60 + 2x = 180
2x = 120
/2 /2
x = 60

Mark Murphy answered Oct 19, 2017

7.4k points

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