Answer :

Answer:

x = 2r - y

Step-by-step explanation:

given

r = [tex]\frac{x+y}{2}[/tex] ( multiply both sides by 2 to clear the fraction )

2r = x + y ( subtract y from both sides )

2r - y = x

Heather

Answer: x = 2r - y

Step-by-step explanation:

   To make x the subject of the given equation, we will isolate the x-variable on one side of the equation.

Given:

   [tex]\displaystyle r=\frac{x+y}{2}[/tex]

Multiply both sides of the equation by 2:

   [tex]\displaystyle 2r=x+y[/tex]

Subtract y from both sides of the equation:

   [tex]\displaystyle 2r-y=x[/tex]

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