r+e=5

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Solution for r+e=5 equation: 


Simplifying
r + e = 5

Reorder the terms:
e + r = 5

Solving
e + r = 5

Solving for variable 'e'.

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

Add '-1r' to each side of the equation.
e + r + -1r = 5 + -1r

Combine like terms: r + -1r = 0
e + 0 = 5 + -1r
e = 5 + -1r

Simplifying
e = 5 + -1r

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