3+n+n=11

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Solution for 3+n+n=11 equation: 


Simplifying
3 + n + n = 11

Combine like terms: n + n = 2n
3 + 2n = 11

Solving
3 + 2n = 11

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 2n = 11 + -3

Combine like terms: 3 + -3 = 0
0 + 2n = 11 + -3
2n = 11 + -3

Combine like terms: 11 + -3 = 8
2n = 8

Divide each side by '2'.
n = 4

Simplifying
n = 4

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