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2 votes
Please help ???anyone know this

Please help ???anyone know this-example-1
User Averroes
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1 Answer

5 votes
ΔUVW ≡ ΔXYZ
2x + 3x + 4x = 14 + 21 + 28
5x + 4x = 35 + 28
9x = 63
9 9
x = 7

The answer is A.