n+4+2n+5=

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Solution for n+4+2n+5= equation:


Simplifying
n + 4 + 2n + 5 = 0

Reorder the terms:
4 + 5 + n + 2n = 0

Combine like terms: 4 + 5 = 9
9 + n + 2n = 0

Combine like terms: n + 2n = 3n
9 + 3n = 0

Solving
9 + 3n = 0

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 3n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 3n = 0 + -9
3n = 0 + -9

Combine like terms: 0 + -9 = -9
3n = -9

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

Simplifying
n = -3

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