If x(x + y + z) = 20, y = (x + y + z) = 30 & z(x + y + z) = 50, then the value o – OfficerPath

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MCQ Practice

If x(x + y + z) = 20, y = (x + y + z) = 30 & z(x + y + z) = 50, then the value of 2(x + y + z) is?

Subject: MathematicsTopic: Algebra

A

20

B

10

C

15

D

18

Correct Answer: A

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