nmbramos902 nmbramos902
  • 15-09-2022
  • Mathematics
contestada

x+y=-4
x-y=2
solve using elimination

Respuesta :

jmenchen8992 jmenchen8992
  • 15-09-2022

Answer:

y=1

Step-by-step explanation:

x

+

y

=

4

x

−

y

=

2

Sum these up:

2

x

=

6

x

=

6

2

=

3

Use the first original equation to find y:

x

+

y

=

4

3

+

y

=

4

y

=

4

−

3

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