11n-9=4n+12

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Solution for 11n-9=4n+12 equation:


Simplifying
11n + -9 = 4n + 12

Reorder the terms:
-9 + 11n = 4n + 12

Reorder the terms:
-9 + 11n = 12 + 4n

Solving
-9 + 11n = 12 + 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 + 11n + -4n = 12 + 4n + -4n

Combine like terms: 11n + -4n = 7n
-9 + 7n = 12 + 4n + -4n

Combine like terms: 4n + -4n = 0
-9 + 7n = 12 + 0
-9 + 7n = 12

Add '9' to each side of the equation.
-9 + 9 + 7n = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 7n = 12 + 9
7n = 12 + 9

Combine like terms: 12 + 9 = 21
7n = 21

Divide each side by '7'.
n = 3

Simplifying
n = 3

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