hinoonehere
hinoonehere hinoonehere
  • 19-01-2022
  • Mathematics
contestada

3x - 8y = 24
y = x - 8
plz show work

Respuesta :

altavistard
altavistard altavistard
  • 19-01-2022

Answer:

the solution is (8, 0)

Step-by-step explanation:

Solve this system of linear equations by substitution.  We are told that y = x - 8.  Substitute x - 8 for y in the first equation:

3x - 8(x - 8) = 24

Performing the indicated multiplication, we get

3x - 8x + 64 = 24.  Combining like terms results in:

-5x = -40, so that x = 8.

y = x - 8 (given above), so in this case y = 8 - 8 = 0

Thus the solution is (8, 0)

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