Need1ng
09.03.2021 •
Mathematics
Using words, please explain how you would find the missing angle, angle A. Use what you know about angles in a triangle and pretend like you are teaching this concept to a brand new student who has never seen this before. Use at least 5 complete sentences to describe your method.
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Ответ:
x=-2
Step-by-step explanation:
3-4x+2=13
3-13+2=4x
-8=4x
x=-2