2(n+3)=15

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Solution for 2(n+3)=15 equation: 


Simplifying
2(n + 3) = 15

Reorder the terms:
2(3 + n) = 15
(3 * 2 + n * 2) = 15
(6 + 2n) = 15

Solving
6 + 2n = 15

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 2n = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 15 + -6
2n = 15 + -6

Combine like terms: 15 + -6 = 9
2n = 9

Divide each side by '2'.
n = 4.5

Simplifying
n = 4.5

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