3(2n+3)=9n+3(n+4)

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Solution for 3(2n+3)=9n+3(n+4) equation:


Simplifying
3(2n + 3) = 9n + 3(n + 4)

Reorder the terms:
3(3 + 2n) = 9n + 3(n + 4)
(3 * 3 + 2n * 3) = 9n + 3(n + 4)
(9 + 6n) = 9n + 3(n + 4)

Reorder the terms:
9 + 6n = 9n + 3(4 + n)
9 + 6n = 9n + (4 * 3 + n * 3)
9 + 6n = 9n + (12 + 3n)

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

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

Solving
9 + 6n = 12 + 12n

Solving for variable 'n'.

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

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

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

Combine like terms: 12n + -12n = 0
9 + -6n = 12 + 0
9 + -6n = 12

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

Combine like terms: 9 + -9 = 0
0 + -6n = 12 + -9
-6n = 12 + -9

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

Divide each side by '-6'.
n = -0.5

Simplifying
n = -0.5

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