7+2(3n+5)-n=

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Solution for 7+2(3n+5)-n= equation:


Simplifying
7 + 2(3n + 5) + -1n = 0

Reorder the terms:
7 + 2(5 + 3n) + -1n = 0
7 + (5 * 2 + 3n * 2) + -1n = 0
7 + (10 + 6n) + -1n = 0

Combine like terms: 7 + 10 = 17
17 + 6n + -1n = 0

Combine like terms: 6n + -1n = 5n
17 + 5n = 0

Solving
17 + 5n = 0

Solving for variable 'n'.

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

Add '-17' to each side of the equation.
17 + -17 + 5n = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 5n = 0 + -17
5n = 0 + -17

Combine like terms: 0 + -17 = -17
5n = -17

Divide each side by '5'.
n = -3.4

Simplifying
n = -3.4

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