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Elza [17]
2 years ago
7

Find the value of x. 6 14 8 0 21 x = [ ? ] 3x-12

Mathematics
1 answer:
love history [14]2 years ago
4 0

Answer: 7

Step-by-step explanation:

By the angle bisector theorem,

\frac{21}{14}=\frac{3x-12}{6}\\21(6)=14(3x-12)\\126=14(3x-12)\\9=3x-12\\21=3x\\x=\boxed{7}

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