7+3(2n+6)-n=

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Solution for 7+3(2n+6)-n= equation:


Simplifying
7 + 3(2n + 6) + -1n = 0

Reorder the terms:
7 + 3(6 + 2n) + -1n = 0
7 + (6 * 3 + 2n * 3) + -1n = 0
7 + (18 + 6n) + -1n = 0

Combine like terms: 7 + 18 = 25
25 + 6n + -1n = 0

Combine like terms: 6n + -1n = 5n
25 + 5n = 0

Solving
25 + 5n = 0

Solving for variable 'n'.

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

Add '-25' to each side of the equation.
25 + -25 + 5n = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 5n = 0 + -25
5n = 0 + -25

Combine like terms: 0 + -25 = -25
5n = -25

Divide each side by '5'.
n = -5

Simplifying
n = -5

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