bkfourth bkfourth

14-08-2020
Mathematics

contestada

Solve these two equations using the Addition Method (also known as the elimination method).

3/4x + 1/3y = -1/2

1/2x - 5/6y = -7/2

Solve these two equations using the Addition Method also known as the elimination method 34x 13y 12 12x 56y 72 class=

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valerieulbrich valerieulbrich

14-08-2020

Answer:

(-2, 3)

Step-by-step explanation:

5/2(3/4x + 1/3y = -1/2)

1/2x - 5/6y = -7/2

15/8x + 5/6y = -5/4

19/8x = -19/4

x = -2

1/2(-2) - 5/6y = -7/2

-1 -5/6y = -7/2

-5/6y = -5/2

y = 3

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