3(12-2n)2=9

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Solution for 3(12-2n)2=9 equation:


Simplifying
3(12 + -2n) * 2 = 9

Reorder the terms for easier multiplication:
3 * 2(12 + -2n) = 9

Multiply 3 * 2
6(12 + -2n) = 9
(12 * 6 + -2n * 6) = 9
(72 + -12n) = 9

Solving
72 + -12n = 9

Solving for variable 'n'.

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

Add '-72' to each side of the equation.
72 + -72 + -12n = 9 + -72

Combine like terms: 72 + -72 = 0
0 + -12n = 9 + -72
-12n = 9 + -72

Combine like terms: 9 + -72 = -63
-12n = -63

Divide each side by '-12'.
n = 5.25

Simplifying
n = 5.25

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