[-2n-4]+13=8

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Solution for [-2n-4]+13=8 equation:


Simplifying
[-2n + -4] + 13 = 8

Reorder the terms:
[-4 + -2n] + 13 = 8

Remove brackets around [-4 + -2n]
-4 + -2n + 13 = 8

Reorder the terms:
-4 + 13 + -2n = 8

Combine like terms: -4 + 13 = 9
9 + -2n = 8

Solving
9 + -2n = 8

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 + -2n = 8 + -9

Combine like terms: 9 + -9 = 0
0 + -2n = 8 + -9
-2n = 8 + -9

Combine like terms: 8 + -9 = -1
-2n = -1

Divide each side by '-2'.
n = 0.5

Simplifying
n = 0.5

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