84=4(5-4n)

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Solution for 84=4(5-4n) equation:


Simplifying
84 = 4(5 + -4n)
84 = (5 * 4 + -4n * 4)
84 = (20 + -16n)

Solving
84 = 20 + -16n

Solving for variable 'n'.

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

Add '16n' to each side of the equation.
84 + 16n = 20 + -16n + 16n

Combine like terms: -16n + 16n = 0
84 + 16n = 20 + 0
84 + 16n = 20

Add '-84' to each side of the equation.
84 + -84 + 16n = 20 + -84

Combine like terms: 84 + -84 = 0
0 + 16n = 20 + -84
16n = 20 + -84

Combine like terms: 20 + -84 = -64
16n = -64

Divide each side by '16'.
n = -4

Simplifying
n = -4

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