84=3(4-6n)

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Solution for 84=3(4-6n) equation:


Simplifying
84 = 3(4 + -6n)
84 = (4 * 3 + -6n * 3)
84 = (12 + -18n)

Solving
84 = 12 + -18n

Solving for variable 'n'.

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

Add '18n' to each side of the equation.
84 + 18n = 12 + -18n + 18n

Combine like terms: -18n + 18n = 0
84 + 18n = 12 + 0
84 + 18n = 12

Add '-84' to each side of the equation.
84 + -84 + 18n = 12 + -84

Combine like terms: 84 + -84 = 0
0 + 18n = 12 + -84
18n = 12 + -84

Combine like terms: 12 + -84 = -72
18n = -72

Divide each side by '18'.
n = -4

Simplifying
n = -4

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