nx+x=r

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Solution for nx+x=r equation: 


Simplifying
nx + x = r

Solving
nx + x = r

Solving for variable 'n'.

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

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

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

Divide each side by 'x'.
n = rx-1 + -1

Simplifying
n = rx-1 + -1

Reorder the terms:
n = -1 + rx-1

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