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22-12-2020
Mathematics

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Solve the system of linear equations by substitution. Check your solution.

Solve the system of linear equations by substitution Check your solution class=

Respuesta :

2022110 2022110

22-12-2020

Answer:

X = -5

y = 1

Step-by-step explanation:

plug in -3x - 14 for y

x + 4 ( -3x - 14) = -1

x - 12x - 56 = -1

-11x = 55

x = -5

plug in for x

-3(-5) - 14 = y

15 - 14 = y

y = 1

plug in and it proves equal

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