alogoro
07.05.2021 •
Mathematics
Which is the Value of x?
X=14
X=28
X=67
X=37
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Ответ:
x = 28
Step-by-step explanation:
3x - 21 = 63, I am making them equal to each other because of the vertical angle theorem.
3x - 21 = 63, add 21 to both sides
3x = 84, divide 3 to both sides to make x by itself
x = 28
Ответ: