Mathematics, 31.03.2021 03:30 zalayjahan4793

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.

Answers: 2

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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...