72+-80=-1(4n+-8)

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Solution for 72+-80=-1(4n+-8) equation:


Simplifying
72 + -80 = -1(4n + -8)

Combine like terms: 72 + -80 = -8
-8 = -1(4n + -8)

Reorder the terms:
-8 = -1(-8 + 4n)
-8 = (-8 * -1 + 4n * -1)
-8 = (8 + -4n)

Solving
-8 = 8 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
-8 + 4n = 8 + -4n + 4n

Combine like terms: -4n + 4n = 0
-8 + 4n = 8 + 0
-8 + 4n = 8

Add '8' to each side of the equation.
-8 + 8 + 4n = 8 + 8

Combine like terms: -8 + 8 = 0
0 + 4n = 8 + 8
4n = 8 + 8

Combine like terms: 8 + 8 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

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