Ariandraaliyah Ariandraaliyah

12-12-2020
Mathematics

contestada

Solve the system by substitution.
-7x + 5y = -27
y = 2x

Respuesta :

Bnschoch2002 Bnschoch2002

12-12-2020

Answer:

(-9,-18)

Step-by-step explanation:

-7x +5(2x)=-27

-7x+10x=-27

3x=-27

[tex]\frac{3x}{3}[/tex]=[tex]\frac{-27 x}{3}[/tex]

x= -9

y=2(-9)

y=-18

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