Er=eR+r

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Solution for Er=eR+r equation: 


Simplifying
Er = eR + r

Solving
rE = eR + r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-1r' to each side of the equation.
-1r + rE = eR + r + -1r

Combine like terms: r + -1r = 0
-1r + rE = eR + 0
-1r + rE = eR

Reorder the terms:
-1eR + -1r + rE = eR + -1eR

Combine like terms: eR + -1eR = 0
-1eR + -1r + rE = 0

The solution to this equation could not be determined.

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