n+n+1+n+2+n+3+n+4=-65

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Solution for n+n+1+n+2+n+3+n+4=-65 equation:


Simplifying
n + n + 1 + n + 2 + n + 3 + n + 4 = -65

Reorder the terms:
1 + 2 + 3 + 4 + n + n + n + n + n = -65

Combine like terms: 1 + 2 = 3
3 + 3 + 4 + n + n + n + n + n = -65

Combine like terms: 3 + 3 = 6
6 + 4 + n + n + n + n + n = -65

Combine like terms: 6 + 4 = 10
10 + n + n + n + n + n = -65

Combine like terms: n + n = 2n
10 + 2n + n + n + n = -65

Combine like terms: 2n + n = 3n
10 + 3n + n + n = -65

Combine like terms: 3n + n = 4n
10 + 4n + n = -65

Combine like terms: 4n + n = 5n
10 + 5n = -65

Solving
10 + 5n = -65

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + 5n = -65 + -10

Combine like terms: 10 + -10 = 0
0 + 5n = -65 + -10
5n = -65 + -10

Combine like terms: -65 + -10 = -75
5n = -75

Divide each side by '5'.
n = -15

Simplifying
n = -15

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