104=13+13+n+n

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Solution for 104=13+13+n+n equation:


Simplifying
104 = 13 + 13 + n + n

Combine like terms: 13 + 13 = 26
104 = 26 + n + n

Combine like terms: n + n = 2n
104 = 26 + 2n

Solving
104 = 26 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
104 + -2n = 26 + 2n + -2n

Combine like terms: 2n + -2n = 0
104 + -2n = 26 + 0
104 + -2n = 26

Add '-104' to each side of the equation.
104 + -104 + -2n = 26 + -104

Combine like terms: 104 + -104 = 0
0 + -2n = 26 + -104
-2n = 26 + -104

Combine like terms: 26 + -104 = -78
-2n = -78

Divide each side by '-2'.
n = 39

Simplifying
n = 39

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