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12-04-2021
Mathematics

contestada

How would you explain to a friend how to solve
the following problem using substitution?

-7x + 2y = -5
y = -7x + 8

Respuesta :

claudiao6987 claudiao6987

13-04-2021

Answer:

x= 1

Step-by-step explanation:

-7x +2(-7x +8) = -5

-7x -14x +16= -5

-21x +16 = -5

-21x = -21

x= 1

hope this helps :))

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