80=-4n

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Solution for 80=-4n equation:


Simplifying
80 = -4n

Solving
80 = -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.
80 + 4n = -4n + 4n

Combine like terms: -4n + 4n = 0
80 + 4n = 0

Add '-80' to each side of the equation.
80 + -80 + 4n = 0 + -80

Combine like terms: 80 + -80 = 0
0 + 4n = 0 + -80
4n = 0 + -80

Combine like terms: 0 + -80 = -80
4n = -80

Divide each side by '4'.
n = -20

Simplifying
n = -20

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