17-12-2019
Mathematics

contestada

Solve the following system of equations using the substitution method. x=2y2x+5y=9

Respuesta :

Yang100 Yang100

18-12-2019

Answer:

x=2, y=1. (2, 1).

Step-by-step explanation:

x=2y

2x+5y=9

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

2(2y)+5y=9

4y+5y=9

9y=9

y=9/9

y=1

x=2(1)=2

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