r+r+n+n=16

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Solution for r+r+n+n=16 equation:


Simplifying
r + r + n + n = 16

Reorder the terms:
n + n + r + r = 16

Combine like terms: n + n = 2n
2n + r + r = 16

Combine like terms: r + r = 2r
2n + 2r = 16

Solving
2n + 2r = 16

Solving for variable 'n'.

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

Add '-2r' to each side of the equation.
2n + 2r + -2r = 16 + -2r

Combine like terms: 2r + -2r = 0
2n + 0 = 16 + -2r
2n = 16 + -2r

Divide each side by '2'.
n = 8 + -1r

Simplifying
n = 8 + -1r

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