3n+7-n-3=n

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


Simplifying
3n + 7 + -1n + -3 = n

Reorder the terms:
7 + -3 + 3n + -1n = n

Combine like terms: 7 + -3 = 4
4 + 3n + -1n = n

Combine like terms: 3n + -1n = 2n
4 + 2n = n

Solving
4 + 2n = 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.
4 + 2n + -1n = n + -1n

Combine like terms: 2n + -1n = 1n
4 + 1n = n + -1n

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

Add '-4' to each side of the equation.
4 + -4 + 1n = 0 + -4

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

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

Divide each side by '1'.
n = -4

Simplifying
n = -4

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