paschalsylvia579 paschalsylvia579

01-04-2021
Mathematics

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Solve the following system of equations using the elimination method. 2x+4y=10;-2+y=-15

Respuesta :

Yang100 Yang100

03-04-2021

Answer:

x=7, y=-1. (7, -1).

Step-by-step explanation:

2x+4y=10

-2x+y=-15

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

5y=-5

y=-5/5

y=-1

2x+4(-1)=10

2x-4=10

2x=10+4

2x=14

x=14/2

x=7

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