00058932 00058932
  • 19-07-2021
  • Mathematics
contestada

Solve the system of equations using the substitution method. -x − 2y = 0 y = -8x (x, y) = ( , )

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Аноним Аноним
  • 19-07-2021

Answer:

[tex] = { \tt{(0, \: 0)}}[/tex]

Step-by-step explanation:

Let:

[tex]{ \bf{ - x - 2y = 0 - - - (a)}} \\ { \bf{y = - 8x - - - (b)}}[/tex]

Substitute for y in equation (b) to equation (a):

[tex]{ \tt{ - x - 2( - 8x) = 0}} \\ { \tt{ - x + 16x = 0 }} \\ { \tt{x = 0}}[/tex]

Also, y = 0

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