-12n-18n+9(4n+3)=

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Solution for -12n-18n+9(4n+3)= equation:


Simplifying
-12n + -18n + 9(4n + 3) = 0

Reorder the terms:
-12n + -18n + 9(3 + 4n) = 0
-12n + -18n + (3 * 9 + 4n * 9) = 0
-12n + -18n + (27 + 36n) = 0

Reorder the terms:
27 + -12n + -18n + 36n = 0

Combine like terms: -12n + -18n = -30n
27 + -30n + 36n = 0

Combine like terms: -30n + 36n = 6n
27 + 6n = 0

Solving
27 + 6n = 0

Solving for variable 'n'.

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

Add '-27' to each side of the equation.
27 + -27 + 6n = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 6n = 0 + -27
6n = 0 + -27

Combine like terms: 0 + -27 = -27
6n = -27

Divide each side by '6'.
n = -4.5

Simplifying
n = -4.5

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