find a solution to the following system of equations. –2x 5y = 8 2x 2y = 6 a. (1, 2) b. (2, 1) c. (–2, 1) d. (0, 3)

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02-07-2016
Mathematics

contestada

find a solution to the following system of equations. –2x 5y = 8 2x 2y = 6 a. (1, 2) b. (2, 1) c. (–2, 1) d. (0, 3)

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nobillionaireNobley nobillionaireNobley · Answer 1 · 2016-07-02T23:59:52+02:00

nobillionaireNobley nobillionaireNobley

02-07-2016

-2x + 5y = 8 . . . . . . . . (1)
2x + 2y = 6 . . . . . . . . (2)
(1) + (2): 7y = 14
y = 2
From (1): -2x + 5(2) = 8
-2x = -2
x = 1
Therefore, solution is (1, 2)

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lyair3799 lyair3799 · Answer 2 · 2021-03-26T15:11:49+01:00

lyair3799 lyair3799

26-03-2021

Answer: A. (1, 2)

Step-by-step explanation:

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