7+2(2n+4)-n=

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Solution for 7+2(2n+4)-n= equation:


Simplifying
7 + 2(2n + 4) + -1n = 0

Reorder the terms:
7 + 2(4 + 2n) + -1n = 0
7 + (4 * 2 + 2n * 2) + -1n = 0
7 + (8 + 4n) + -1n = 0

Combine like terms: 7 + 8 = 15
15 + 4n + -1n = 0

Combine like terms: 4n + -1n = 3n
15 + 3n = 0

Solving
15 + 3n = 0

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 + 3n = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 3n = 0 + -15
3n = 0 + -15

Combine like terms: 0 + -15 = -15
3n = -15

Divide each side by '3'.
n = -5

Simplifying
n = -5

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