3n=4-(3n-n)

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Solution for 3n=4-(3n-n) equation:


Simplifying
3n = 4 + -1(3n + -1n)

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

Remove parenthesis around (2n)
3n = 4 + -1 * 2n

Multiply -1 * 2
3n = 4 + -2n

Solving
3n = 4 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
3n + 2n = 4 + -2n + 2n

Combine like terms: 3n + 2n = 5n
5n = 4 + -2n + 2n

Combine like terms: -2n + 2n = 0
5n = 4 + 0
5n = 4

Divide each side by '5'.
n = 0.8

Simplifying
n = 0.8

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