Emma2947292 Emma2947292

04-02-2021
Mathematics

contestada

Use substitution to solve the system.
-5x + 3y = 19
x = 3y - 11

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Anisatunizzati Anisatunizzati

05-02-2021

Answer:

x = -2

y = 3

Step-by-step explanation:

-5x + 3y = 19

x = 3y - 11

-5x + 3y = 19

-5(3y - 11) + 3y = 19

-15y + 55 + 3y = 19

-15y + 3y + 55 = 19

-12y + 55 = 19

-12y = 19 - 55

-12y = -36

y = -36/-12

y = 3

x = 3y - 11

x = 3(3) - 11

x = 9 - 11

x = -2

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