Answer:
x + y - xr = 0......x - xr = -y.....-x + xr = y....not sure if this is right...not sure if u set it equal to 0
The value of y = x(r -1)
Given expression is : x+y-xr
Now, on rearranging the terms of the expression we get,
x -xr + y
Now, we put it equal to zero to find the value:
x -xr + y = 0
⇒ y = xr -x (The signs changes on moving from left-hand side of the equation to the right hand side)
⇒ y = x(r -1)
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Step-by-step explanation:
