9+9n=4n+9

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


Simplifying
9 + 9n = 4n + 9

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

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

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

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

Solving
9n = 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.
9n + -4n = 4n + -4n

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

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

Divide each side by '5'.
n = 0

Simplifying
n = 0

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