Respuesta :

7272033Alt

Answer:

For 5x + y = 27;  [tex]x=\frac{-1}{5}y+\frac{27}{5}[/tex]

For -10x + 7y = -36;   [tex]x=\frac{7}{10}y+\frac{18}{5}[/tex]

Step-by-step explanation:

None because it will be in the screenshots.

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sqdancefan

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Answer:

  x = 5

Step-by-step explanation:

The x-coordinate of the solution can be found by subtracting the second equation from 7 times the first.

  7(5x +7) -(-10x +7y) = 7(27) -(-36)

  45x = 225 . . . . . simplify

  x = 5 . . . . . . . . . . divide by 45

The x-coordinate of the solution is 5.

_____

The y-coordinate is 2.

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