Respuesta :

sqdancefan

9514 1404 393

Answer:

  5x +4y = 20

Step-by-step explanation:

Put the given x- and y-values into the left-side expression to see the constant needed on the right.

  5(8) +4(-5) = 40 -20 = 20

The desired equation is ...

  5x +4y = 20

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