girlsandfloe girlsandfloe

04-02-2022
Mathematics

contestada

What is the solution to the system of equations?
Use the substitution method to solve.
-
6= -4x +y
-5x – y=21
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calliiistar calliiistar

04-02-2022

-9x = 27
x = -3

-5(-3) - y = 21
15 - y = 21
y = -6

6 = -4(-3) - 6
6 = 12 - 6

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