2n+-15=81

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Solution for 2n+-15=81 equation: 


Simplifying
2n + -15 = 81

Reorder the terms:
-15 + 2n = 81

Solving
-15 + 2n = 81

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + 2n = 81 + 15

Combine like terms: -15 + 15 = 0
0 + 2n = 81 + 15
2n = 81 + 15

Combine like terms: 81 + 15 = 96
2n = 96

Divide each side by '2'.
n = 48

Simplifying
n = 48

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