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

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


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

Reorder the terms:
3(-1 + 2n) + 3n = 6n + 9 + -1n
(-1 * 3 + 2n * 3) + 3n = 6n + 9 + -1n
(-3 + 6n) + 3n = 6n + 9 + -1n

Combine like terms: 6n + 3n = 9n
-3 + 9n = 6n + 9 + -1n

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

Combine like terms: 6n + -1n = 5n
-3 + 9n = 9 + 5n

Solving
-3 + 9n = 9 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-3 + 9n + -5n = 9 + 5n + -5n

Combine like terms: 9n + -5n = 4n
-3 + 4n = 9 + 5n + -5n

Combine like terms: 5n + -5n = 0
-3 + 4n = 9 + 0
-3 + 4n = 9

Add '3' to each side of the equation.
-3 + 3 + 4n = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 4n = 9 + 3
4n = 9 + 3

Combine like terms: 9 + 3 = 12
4n = 12

Divide each side by '4'.
n = 3

Simplifying
n = 3

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