84=2n+4(4n+3)

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Solution for 84=2n+4(4n+3) equation:


Simplifying
84 = 2n + 4(4n + 3)

Reorder the terms:
84 = 2n + 4(3 + 4n)
84 = 2n + (3 * 4 + 4n * 4)
84 = 2n + (12 + 16n)

Reorder the terms:
84 = 12 + 2n + 16n

Combine like terms: 2n + 16n = 18n
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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