s903926 s903926

14-02-2020
Mathematics

contestada

Solve using substitution.

y = –2
7x − 4y = 1

Respuesta :

ajtobar ajtobar

14-02-2020

Answer:

-1

Step-by-step explanation:

plug in

7x-4(-2)=1

Answer Link

surjithayer10 surjithayer10

14-02-2020

Answer:

Step-by-step explanation:

7x-4(-2)=1

7 x+8=1

7 x=-7

x=-1

y=-2

Answer Link

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