mcanimalluver19 mcanimalluver19

06-10-2021
Mathematics

contestada

solve by substitution.
5x-3y=-4
x+y=-4

Respuesta :

clareeee clareeee

07-10-2021

Answer:

x=-2,y=-2

Step-by-step explanation:

x+y=-4

x=-4-y--(3)

substitute (3) in (1)

5(-4-y) -3y=-4

-20-5y-3y=-4

-8y=16

y=16/-8

y=-2

substitute y in (3)

x=-4-(-2)

x=-2

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