jdog22306 jdog22306

16-12-2019
Mathematics

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2: What is the solution to the system of equations below? 3x+4y=−22x−4y=−8

Respuesta :

Yang100 Yang100

16-12-2019

Answer:

x=-15/2, y=1/8. (-15/2, 1/8).

Step-by-step explanation:

3x+4y=-22

x-4y=-8

------------------

4x=-30

x=-30/4

simplify

x=-15/2

-15/2-4y=-8

4y=-15/2-(-8)

4y=-15/2+8

4y=-15/2+16/2

4y=1/2

y=(1/2)/4

y=(1/2)(1/4)

y=1/8

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