5n+4=7n-3(n-4)

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Solution for 5n+4=7n-3(n-4) equation:


Simplifying
5n + 4 = 7n + -3(n + -4)

Reorder the terms:
4 + 5n = 7n + -3(n + -4)

Reorder the terms:
4 + 5n = 7n + -3(-4 + n)
4 + 5n = 7n + (-4 * -3 + n * -3)
4 + 5n = 7n + (12 + -3n)

Reorder the terms:
4 + 5n = 12 + 7n + -3n

Combine like terms: 7n + -3n = 4n
4 + 5n = 12 + 4n

Solving
4 + 5n = 12 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
4 + 5n + -4n = 12 + 4n + -4n

Combine like terms: 5n + -4n = 1n
4 + 1n = 12 + 4n + -4n

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

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

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

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

Divide each side by '1'.
n = 8

Simplifying
n = 8

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