6n+9-4n=3n

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Solution for 6n+9-4n=3n equation:


Simplifying
6n + 9 + -4n = 3n

Reorder the terms:
9 + 6n + -4n = 3n

Combine like terms: 6n + -4n = 2n
9 + 2n = 3n

Solving
9 + 2n = 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.
9 + 2n + -3n = 3n + -3n

Combine like terms: 2n + -3n = -1n
9 + -1n = 3n + -3n

Combine like terms: 3n + -3n = 0
9 + -1n = 0

Add '-9' to each side of the equation.
9 + -9 + -1n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1n = 0 + -9
-1n = 0 + -9

Combine like terms: 0 + -9 = -9
-1n = -9

Divide each side by '-1'.
n = 9

Simplifying
n = 9

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