andreedowell andreedowell

12-12-2020
Mathematics

contestada

System of equations
2x+4y=8
X=3y-6

Respuesta :

davidmensahedem davidmensahedem

12-12-2020

2x + 4y = 8
x = 3y - 6

2x + 4y = 8
2 * ( 3y - 6 ) + 4y = 8
6y + 12 + 4y = 8
8y = 8 - 12
8y = - 4
y = -4 / 8
y = -1 / 2

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