If x(x + y) = 3 and y(x + y) = 10, which of the following is a possible value of x + y? (A) radical 7 (B) radical 13 (C) 6.5 (D) 7 (E) 13 With steps and explanation please.

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asked Oct 16, 2022 105k views

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If x(x + y) = 3 and y(x + y) = 10, which of the following is a possible value of x + y?

(A) radical 7
(B) radical 13
(C) 6.5
(D) 7
(E) 13

With steps and explanation please.

Mathematics
high-school

Ashwin S Ashok asked

by Ashwin S Ashok

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Answer:

I believe that the answer is D: 7

Saneshark answered Oct 20, 2022

by Saneshark

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