22-01-2021
Mathematics

contestada

Use substitution to solve the system.

X= ?
Y= ?

5x+4y = -10
x = 3y+17

Respuesta :

786winkoaung 786winkoaung

22-01-2021

Answer:

x=3.4

y=-6.75

Step-by-step explanation:

5x+4y=-10 (equation 1 )

-5x+3y=-17 (equation 2)

7y=-27

y=-6.75

substitution (equation 1 ) y=-6.75

5x-27=-10

5x=17

x=3.4

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