3+2(4n+5)-n=

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Solution for 3+2(4n+5)-n= equation:


Simplifying
3 + 2(4n + 5) + -1n = 0

Reorder the terms:
3 + 2(5 + 4n) + -1n = 0
3 + (5 * 2 + 4n * 2) + -1n = 0
3 + (10 + 8n) + -1n = 0

Combine like terms: 3 + 10 = 13
13 + 8n + -1n = 0

Combine like terms: 8n + -1n = 7n
13 + 7n = 0

Solving
13 + 7n = 0

Solving for variable 'n'.

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

Add '-13' to each side of the equation.
13 + -13 + 7n = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 7n = 0 + -13
7n = 0 + -13

Combine like terms: 0 + -13 = -13
7n = -13

Divide each side by '7'.
n = -1.857142857

Simplifying
n = -1.857142857

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