10n-9=12

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Solution for 10n-9=12 equation:


Simplifying
10n + -9 = 12

Reorder the terms:
-9 + 10n = 12

Solving
-9 + 10n = 12

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + 10n = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 10n = 12 + 9
10n = 12 + 9

Combine like terms: 12 + 9 = 21
10n = 21

Divide each side by '10'.
n = 2.1

Simplifying
n = 2.1

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