Diana187 Diana187

06-11-2017
Mathematics

contestada

solve this system of linear equations. separate the x- and y- values with a coma. -x=29-14y
-9x=-19+14y

Respuesta :

barnuts barnuts

16-11-2017

We are given the two equations:

(1) -x=29-14y
(2) -9x=-19+14y

Multiply (1) by 9:

-9x = 261 – 126y

Subtract the two equations:

-9x = 261 – 126y

-

-9x=-19 + 14y

0 = 280 – 140y

140y = 280

y = 2

From (1):

-x = 29 – 14 (2)

x = -1

Answers:

x = -1

y = 2

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