elisedornberger elisedornberger

28-05-2020
Mathematics

contestada

Solve the system:
y = 4x + 6
-5x - y = 21

Respuesta :

armanc5 armanc5

28-05-2020

Substitute y in second equation
-5x-(4x+6)=21
-9x-6=21
9x+6=-21
9x=-27
X=-3
Solve for y:
Y=4(-3)+6
Y=-6

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