(9n+12)=(15n-6)

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Solution for (9n+12)=(15n-6) equation:


Simplifying
(9n + 12) = (15n + -6)

Reorder the terms:
(12 + 9n) = (15n + -6)

Remove parenthesis around (12 + 9n)
12 + 9n = (15n + -6)

Reorder the terms:
12 + 9n = (-6 + 15n)

Remove parenthesis around (-6 + 15n)
12 + 9n = -6 + 15n

Solving
12 + 9n = -6 + 15n

Solving for variable 'n'.

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

Add '-15n' to each side of the equation.
12 + 9n + -15n = -6 + 15n + -15n

Combine like terms: 9n + -15n = -6n
12 + -6n = -6 + 15n + -15n

Combine like terms: 15n + -15n = 0
12 + -6n = -6 + 0
12 + -6n = -6

Add '-12' to each side of the equation.
12 + -12 + -6n = -6 + -12

Combine like terms: 12 + -12 = 0
0 + -6n = -6 + -12
-6n = -6 + -12

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

Divide each side by '-6'.
n = 3

Simplifying
n = 3

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