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horsena [70]
3 years ago
6

Find the value of x. A. 6 B. 3 C. 5 D. 2

Mathematics
1 answer:
storchak [24]3 years ago
6 0

\\ \sf\longmapsto \dfrac{AK}{DK}=\dfrac{CK}{BK}

\\ \sf\longmapsto \dfrac{14}{12}=\dfrac{4x+1}{3x+3}

\\ \sf\longmapsto \dfrac{7}{6}=\dfrac{4x+1}{3x+3}

\\ \sf\longmapsto 7(3x+3)=6(4x+1)

\\ \sf\longmapsto 21x+21=24x+6

\\ \sf\longmapsto 24x-21x=21-6

\\ \sf\longmapsto 3x=15

\\ \sf\longmapsto x=\dfrac{15}{3}

\\ \sf\longmapsto x=5

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