That1OneGirl
That1OneGirl That1OneGirl
  • 17-05-2019
  • Mathematics
contestada

Solve the systems of substitution(find out what number x is and what number y is)

y=2x+5
y=3x+11

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 17-05-2019

Answer:

  (x, y) = (-6, -7)

Step-by-step explanation:

Substitute for y:

  2x +5 = 3x +11 . . . . . use the first expression for y in the second equation

  0 = x +6 . . . . . . . . . . subtract 2x+5

  -6 = x . . . . . . . . . . . . add -6

  y = 2(-6) +5 = -7 . . . .substitute for x

The solution is x = -6, y = -7.

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