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ch4aika [34]
3 years ago
6

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

Mathematics
2 answers:
tatyana61 [14]3 years ago
8 0
Minus 180 from 190. You have -10
2x= -10
Which means x equals -5
netineya [11]3 years ago
7 0
That's correct. Now you gotta plug in -5 in for x and get both angles.
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