7n+4n-4=3n+12

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Solution for 7n+4n-4=3n+12 equation:


Simplifying
7n + 4n + -4 = 3n + 12

Reorder the terms:
-4 + 7n + 4n = 3n + 12

Combine like terms: 7n + 4n = 11n
-4 + 11n = 3n + 12

Reorder the terms:
-4 + 11n = 12 + 3n

Solving
-4 + 11n = 12 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-4 + 11n + -3n = 12 + 3n + -3n

Combine like terms: 11n + -3n = 8n
-4 + 8n = 12 + 3n + -3n

Combine like terms: 3n + -3n = 0
-4 + 8n = 12 + 0
-4 + 8n = 12

Add '4' to each side of the equation.
-4 + 4 + 8n = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 8n = 12 + 4
8n = 12 + 4

Combine like terms: 12 + 4 = 16
8n = 16

Divide each side by '8'.
n = 2

Simplifying
n = 2

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