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Angles in a triangle: I did common like terms: 2x+190=180. I solved it and got -10. I checked my answer by changing x to -10. I solved it and got 180. or
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Angles in a triangle: I did common like terms: 2x+190=180. I solved it and got -10. I checked my answer by changing x to -10. I solved it and got 180. or

Angles in a triangle: I did common like terms: 2x+190=180. I solved it and got -10. I-example-1
User Ebone
by
5.1k points

2 Answers

7 votes
Minus 180 from 190. You have -10
2x= -10
Which means x equals -5
User Ishant Gaurav
by
5.8k points
6 votes
That's correct. Now you gotta plug in -5 in for x and get both angles.
User Taharka
by
6.1k points
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