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Find the value of x. 6 14 3x-12 21 x = [?] Enter
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Find the value of x.
6
14
3x-12
21
x = [?]
Enter

Find the value of x. 6 14 3x-12 21 x = [?] Enter-example-1
User Dimitri
by
3.7k points

1 Answer

2 votes

Answer:

x = 7

Explanation:

Based on the angle bisector theorem, we would have the following equation:

21/(3x - 12) = 14/6

21/(3x - 12) = 7/3

Cross multiply

(3x - 12)*7 = 3*21

21x - 84 = 63

21x - 84 + 84 = 63 + 84

21x = 147

21x/21 = 147/21

x = 7

User Dan Wagner
by
4.3k points
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