christopherjackson5 christopherjackson5

26-11-2019
Mathematics

contestada

Solving With Substitution (FOR 10 POINTS!):
y= 2x + 1
3x + y = -9

Respuesta :

Respect3105 Respect3105

26-11-2019

Answer:

[tex]y = 2x + 1 \\ 3x + y = \: - 9 \\ \\ 3x + 2x + 1 = - 9 \\ 5x = - 10 \\ x = - 2 \\ \\ y = 2( - 2) + 1 \\ y = - 3 \\ ( - 2 \: and \: - 3)[/tex]

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