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14-01-2020
Mathematics

contestada

Which method would you use to solve this System of Equations? x = -2 2x + y = 5
a. substitution
b. graphing
c.either

Respuesta :

14-01-2020

x= -4x + y = 5

-4x / 5 = -0.8

So its A. - Substitution

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