3n-9=6(3-n)

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


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

Reorder the terms:
-9 + 3n = 6(3 + -1n)
-9 + 3n = (3 * 6 + -1n * 6)
-9 + 3n = (18 + -6n)

Solving
-9 + 3n = 18 + -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.
-9 + 3n + 6n = 18 + -6n + 6n

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

Combine like terms: -6n + 6n = 0
-9 + 9n = 18 + 0
-9 + 9n = 18

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

Combine like terms: -9 + 9 = 0
0 + 9n = 18 + 9
9n = 18 + 9

Combine like terms: 18 + 9 = 27
9n = 27

Divide each side by '9'.
n = 3

Simplifying
n = 3

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