gerlingk4431
gerlingk4431 gerlingk4431
  • 11-01-2018
  • Mathematics
contestada

Use substitution to solve the system of linear equations. In your final answer, include all of your work.

y = -3x + 4
x + 1/3y = 4/3

Respuesta :

wizard123
wizard123 wizard123
  • 11-01-2018
Replace 'y' with -3x+4

[tex]x + \frac{1}{3} (-3x+4) = \frac{4}{3} \\ \\ x -x + \frac{4}{3} = \frac{4}{3} \\ \\ \frac{4}{3} = \frac{4}{3}[/tex]

The variable 'x' cancels out, leaving the True statement 4/3 = 4/3
This means that the 2 equations are identical regardless of what x and y are.

Answer: System is consistent and dependent, there are an infinite number of solutions.
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