n+n-5=15

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Solution for n+n-5=15 equation: 


Simplifying
n + n + -5 = 15

Reorder the terms:
-5 + n + n = 15

Combine like terms: n + n = 2n
-5 + 2n = 15

Solving
-5 + 2n = 15

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 2n = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 2n = 15 + 5
2n = 15 + 5

Combine like terms: 15 + 5 = 20
2n = 20

Divide each side by '2'.
n = 10

Simplifying
n = 10

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