lexipollin82 lexipollin82

09-06-2021
Mathematics

contestada

3.
- 4x + y = 6
- 5x - y = 21

Respuesta :

09-06-2021

Answer:

(-3,-6)

Step-by-step explanation:

You need to solve for the system of equations.

Answer Link

nosiphomaphumulo nosiphomaphumulo

09-06-2021

Step-by-step explanation:

-4x+y=6

-5x-y=21

y=6+4x

-5x-(6+4x)=21

-5x-6-4x=21

-5x-4x=21+6

-9x=27

-9x÷9=27÷9

x=3

y=6+4x

=6+4(3)

=18

Answer Link

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