8-4n=84

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Solution for 8-4n=84 equation: 


Simplifying
8 + -4n = 84

Solving
8 + -4n = 84

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + -4n = 84 + -8

Combine like terms: 8 + -8 = 0
0 + -4n = 84 + -8
-4n = 84 + -8

Combine like terms: 84 + -8 = 76
-4n = 76

Divide each side by '-4'.
n = -19

Simplifying
n = -19

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