6n+6(1+2n)=3n-9

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Solution for 6n+6(1+2n)=3n-9 equation:


Simplifying
6n + 6(1 + 2n) = 3n + -9
6n + (1 * 6 + 2n * 6) = 3n + -9
6n + (6 + 12n) = 3n + -9

Reorder the terms:
6 + 6n + 12n = 3n + -9

Combine like terms: 6n + 12n = 18n
6 + 18n = 3n + -9

Reorder the terms:
6 + 18n = -9 + 3n

Solving
6 + 18n = -9 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
6 + 18n + -3n = -9 + 3n + -3n

Combine like terms: 18n + -3n = 15n
6 + 15n = -9 + 3n + -3n

Combine like terms: 3n + -3n = 0
6 + 15n = -9 + 0
6 + 15n = -9

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

Combine like terms: 6 + -6 = 0
0 + 15n = -9 + -6
15n = -9 + -6

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

Divide each side by '15'.
n = -1

Simplifying
n = -1

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