12(n+3)-18=396

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Solution for 12(n+3)-18=396 equation:


Simplifying
12(n + 3) + -18 = 396

Reorder the terms:
12(3 + n) + -18 = 396
(3 * 12 + n * 12) + -18 = 396
(36 + 12n) + -18 = 396

Reorder the terms:
36 + -18 + 12n = 396

Combine like terms: 36 + -18 = 18
18 + 12n = 396

Solving
18 + 12n = 396

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + 12n = 396 + -18

Combine like terms: 18 + -18 = 0
0 + 12n = 396 + -18
12n = 396 + -18

Combine like terms: 396 + -18 = 378
12n = 378

Divide each side by '12'.
n = 31.5

Simplifying
n = 31.5

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