victoriaagrabowski
victoriaagrabowski victoriaagrabowski
  • 20-04-2020
  • Mathematics
contestada

Solve the system of equations using the substitution method.
-5x − 3y = 16
y = x

Respuesta :

meredith48034
meredith48034 meredith48034
  • 21-04-2020

Answer:

-5x - 3x = 16

-8x = 16

x = -2

y = x

Step-by-step explanation:

Answer Link
altavistard
altavistard altavistard
  • 21-04-2020

Answer:

(-2, -2)

Step-by-step explanation:

Make use of the 2nd equation to eliminate x or y in the 1st equation:

-5x - 3(x) = 16

Then -8x = 16, and x = -2.  Since we are told that y = x, y = -2.

The solution is (-2, -2).

Answer Link

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