2n+9+n=4n

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Solution for 2n+9+n=4n equation:


Simplifying
2n + 9 + n = 4n

Reorder the terms:
9 + 2n + n = 4n

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

Solving
9 + 3n = 4n

Solving for variable 'n'.

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

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

Combine like terms: 3n + -4n = -1n
9 + -1n = 4n + -4n

Combine like terms: 4n + -4n = 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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