9=-18n-3(2n-4)

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Solution for 9=-18n-3(2n-4) equation:


Simplifying
9 = -18n + -3(2n + -4)

Reorder the terms:
9 = -18n + -3(-4 + 2n)
9 = -18n + (-4 * -3 + 2n * -3)
9 = -18n + (12 + -6n)

Reorder the terms:
9 = 12 + -18n + -6n

Combine like terms: -18n + -6n = -24n
9 = 12 + -24n

Solving
9 = 12 + -24n

Solving for variable 'n'.

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

Add '24n' to each side of the equation.
9 + 24n = 12 + -24n + 24n

Combine like terms: -24n + 24n = 0
9 + 24n = 12 + 0
9 + 24n = 12

Add '-9' to each side of the equation.
9 + -9 + 24n = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 24n = 12 + -9
24n = 12 + -9

Combine like terms: 12 + -9 = 3
24n = 3

Divide each side by '24'.
n = 0.125

Simplifying
n = 0.125

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