10n-2=9n+9

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Solution for 10n-2=9n+9 equation:


Simplifying
10n + -2 = 9n + 9

Reorder the terms:
-2 + 10n = 9n + 9

Reorder the terms:
-2 + 10n = 9 + 9n

Solving
-2 + 10n = 9 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-2 + 10n + -9n = 9 + 9n + -9n

Combine like terms: 10n + -9n = 1n
-2 + 1n = 9 + 9n + -9n

Combine like terms: 9n + -9n = 0
-2 + 1n = 9 + 0
-2 + 1n = 9

Add '2' to each side of the equation.
-2 + 2 + 1n = 9 + 2

Combine like terms: -2 + 2 = 0
0 + 1n = 9 + 2
1n = 9 + 2

Combine like terms: 9 + 2 = 11
1n = 11

Divide each side by '1'.
n = 11

Simplifying
n = 11

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