3n-4=8-n

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Solution for 3n-4=8-n equation: 


Simplifying
3n + -4 = 8 + -1n

Reorder the terms:
-4 + 3n = 8 + -1n

Solving
-4 + 3n = 8 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-4 + 3n + n = 8 + -1n + n

Combine like terms: 3n + n = 4n
-4 + 4n = 8 + -1n + n

Combine like terms: -1n + n = 0
-4 + 4n = 8 + 0
-4 + 4n = 8

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

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

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

Divide each side by '4'.
n = 3

Simplifying
n = 3

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