12(n-3)+12n=396

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Solution for 12(n-3)+12n=396 equation:


Simplifying
12(n + -3) + 12n = 396

Reorder the terms:
12(-3 + n) + 12n = 396
(-3 * 12 + n * 12) + 12n = 396
(-36 + 12n) + 12n = 396

Combine like terms: 12n + 12n = 24n
-36 + 24n = 396

Solving
-36 + 24n = 396

Solving for variable 'n'.

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

Add '36' to each side of the equation.
-36 + 36 + 24n = 396 + 36

Combine like terms: -36 + 36 = 0
0 + 24n = 396 + 36
24n = 396 + 36

Combine like terms: 396 + 36 = 432
24n = 432

Divide each side by '24'.
n = 18

Simplifying
n = 18

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