keria961 keria961

21-08-2019
Mathematics

contestada

If y = -x and x + 6y = 30, what is the
value of x?

Respuesta :

Gasaqui Gasaqui

21-08-2019

Answer:

x = -6

Step-by-step explanation:

y = -x equation 1

x + 6y = 30 equation 2

using equation 1 in equation 2 we have:

x + 6(-x) = 30

x - 6x =30

-5x = 30

x= -30/5

x= -6

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