Solve the system using substitution: x = -4y and x + 5y = 2
Please and thank you.

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05-04-2021
Mathematics

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Solve the system using substitution: x = -4y and x + 5y = 2
Please and thank you.

Sagot :

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Hrishii Hrishii · Answer 1 · 2021-04-05T14:46:17-04:00

Hrishii Hrishii

05-04-2021

Answer:

x = - 8, y = 2

Step-by-step explanation:

[tex]x = - 4y......(1) \\ x + 5y = 2....(2) \\ plug \: x = - 4y \: in \: equation \: (2) \\ - 4y + 5y = 2 \\ y = 2 \\ plug \: y = 2 \: in \: equation \: (1) \\ x = - 4(2) \\ x = - 8\\[/tex]

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