3n+n+7=

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Solution for 3n+n+7= equation: 


Simplifying
3n + n + 7 = 0

Reorder the terms:
7 + 3n + n = 0

Combine like terms: 3n + n = 4n
7 + 4n = 0

Solving
7 + 4n = 0

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + 4n = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 4n = 0 + -7
4n = 0 + -7

Combine like terms: 0 + -7 = -7
4n = -7

Divide each side by '4'.
n = -1.75

Simplifying
n = -1.75

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