12=4+n

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Solution for 12=4+n equation: 


Simplifying
12 = 4 + n

Solving
12 = 4 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
12 + -1n = 4 + n + -1n

Combine like terms: n + -1n = 0
12 + -1n = 4 + 0
12 + -1n = 4

Add '-12' to each side of the equation.
12 + -12 + -1n = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = 4 + -12
-1n = 4 + -12

Combine like terms: 4 + -12 = -8
-1n = -8

Divide each side by '-1'.
n = 8

Simplifying
n = 8

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