3(n-4)2+9=

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


Simplifying
3(n + -4) * 2 + 9 = 0

Reorder the terms:
3(-4 + n) * 2 + 9 = 0

Reorder the terms for easier multiplication:
3 * 2(-4 + n) + 9 = 0

Multiply 3 * 2
6(-4 + n) + 9 = 0
(-4 * 6 + n * 6) + 9 = 0
(-24 + 6n) + 9 = 0

Reorder the terms:
-24 + 9 + 6n = 0

Combine like terms: -24 + 9 = -15
-15 + 6n = 0

Solving
-15 + 6n = 0

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + 6n = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 6n = 0 + 15
6n = 0 + 15

Combine like terms: 0 + 15 = 15
6n = 15

Divide each side by '6'.
n = 2.5

Simplifying
n = 2.5

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