We+x=r

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Solution for We+x=r equation: 


Simplifying
We + x = r

Solving
eW + x = r

Solving for variable 'e'.

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

Add '-1x' to each side of the equation.
eW + x + -1x = r + -1x

Combine like terms: x + -1x = 0
eW + 0 = r + -1x
eW = r + -1x

Divide each side by 'W'.
e = rW-1 + -1xW-1

Simplifying
e = rW-1 + -1xW-1

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