andreaward282 andreaward282

26-02-2020
Biology

contestada

Select the correct answer.
What is the solution of the system x - 3y = -13 and 5x + 7y = 34?
A. X = (6)(5), y = 4
B. x = (7)(2), y = (9)(2)
C. x = (1(2), y = (9)(2)
D. X=-3, y = 7

Respuesta :

aryasus30 aryasus30

27-02-2020

Answer:

The answer is C!

Explanation:

x-3y=-13

5x+7y=34

x=-13+3y

-65+15y+7y=34

x=-13+3y

22y=99

y=9/2

x=-13+27/2

y=9/2

x=1/2

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