If x(x + y + z) = 20, y = (x + y + z) = 30 u0026 z(x + y + z) = 50, th – McqOptions

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1.	If x(x + y + z) = 20, y = (x + y + z) = 30 u0026 z(x + y + z) = 50, then the value of 2(x + y + z) is?
A.	20
B.	10
C.	15
D.	18
Answer» B. 10

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