rachellynnknott rachellynnknott
  • 04-02-2021
  • Mathematics
contestada

Solve the system of equations by elimination. Explain your reasoning or show your work.

Solve the system of equations by elimination Explain your reasoning or show your work class=

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sqdancefan
sqdancefan sqdancefan
  • 05-02-2021

9514 1404 393

Answer:

  (x, y) = (5, 4)

Step-by-step explanation:

Subtracting the second equation from the first eliminates the x term.

  (4x +6y) -(4x +2y) = (44) -(28)

  4y = 16 . . . . simplify

  y = 4

Using the second equation to find x, we have ...

  4x +2(4) = 28

  x + 2 = 7 . . . . . . divide by 4

  x = 5 . . . . . . . . . subtract 2

The solution is (x, y) = (5, 4).

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