3(n+1)=6n-9

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


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

Reorder the terms:
3(1 + n) = 6n + -9
(1 * 3 + n * 3) = 6n + -9
(3 + 3n) = 6n + -9

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

Solving
3 + 3n = -9 + 6n

Solving for variable 'n'.

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

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

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

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

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

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

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

Divide each side by '-3'.
n = 4

Simplifying
n = 4

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