andreanma52 andreanma52

23-07-2020
Mathematics

contestada

PLEASE HELP What is the y-value in the solution to this system of linear equations?
4x + 5y = -12
-23.4 3y=-16
-4 -2 2 5

Respuesta :

HumanBein HumanBein

23-07-2020

Answer:

-2.

Step-by-step explanation:

4x + 5y = -12

-23.4x + 3y = -16

23.4[4x + 5y = -12]

4[-23.4x + 3y = -16]

93.6x + 117y = -280.8

-93.6x + 12y = -64

129y = -344.8

y = -2.672868217

That is about -2.

Hope this helps!

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