alirose3 alirose3

18-02-2021
Mathematics

contestada

Solve this system using the substitution method: 2a-4b=9; 2b-4a=-3

Respuesta :

vpsingh378417 vpsingh378417

19-02-2021

Answer:

1 ) 1,4.5 2)1,-5/4

Step-by-step explanation:

we have to solve both by :

let a be (1) in first case

now solve like this 2(1)-4b=9

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