[Answer]✍(◔◡◔)

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Step by Step Solution

System of Linear Equations entered:

[1]    x + y = 1

[2]    x - y = 0

∵Solve by Substitution∵

// Solve equation [2] for the variable  x    

 [2]    x = y  

// Plug this in for variable  x  in equation [1]  

  [1]    (y ) + y = 1

  [1]    2y = 1

// Solve equation [1] for the variable  y    

  [1]    2y = 1  

  [1]    y = 1/2  

// By now we know this much :  

   x = y

   y = 1/2

// Use the  y  value to solve for  X  

   x = (1/2) = 1/2

SOLUTION:

{x,y} = {1/2,1/2}  

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