Hi

solving the linear system using substitution

y-5=x    y = x+5 

4x-y=4

4x - (x+5) = 4  |substituting for y

solving for x

  3x - 5  = 4

     3x = 9

      x = 3   y = 8   (x+5)



CHECKING our Answer***

y-5 = x   

8-5 = 3 

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