10n-9=9+4n

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Solution for 10n-9=9+4n equation:


Simplifying
10n + -9 = 9 + 4n

Reorder the terms:
-9 + 10n = 9 + 4n

Solving
-9 + 10n = 9 + 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 + 10n + -4n = 9 + 4n + -4n

Combine like terms: 10n + -4n = 6n
-9 + 6n = 9 + 4n + -4n

Combine like terms: 4n + -4n = 0
-9 + 6n = 9 + 0
-9 + 6n = 9

Add '9' to each side of the equation.
-9 + 9 + 6n = 9 + 9

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

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

Divide each side by '6'.
n = 3

Simplifying
n = 3

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