5n-(8n+4n)=3(3n-4)

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Solution for 5n-(8n+4n)=3(3n-4) equation:


Simplifying
5n + -1(8n + 4n) = 3(3n + -4)

Combine like terms: 8n + 4n = 12n
5n + -1(12n) = 3(3n + -4)

Remove parenthesis around (12n)
5n + -1 * 12n = 3(3n + -4)

Multiply -1 * 12
5n + -12n = 3(3n + -4)

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

Reorder the terms:
-7n = 3(-4 + 3n)
-7n = (-4 * 3 + 3n * 3)
-7n = (-12 + 9n)

Solving
-7n = -12 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-7n + -9n = -12 + 9n + -9n

Combine like terms: -7n + -9n = -16n
-16n = -12 + 9n + -9n

Combine like terms: 9n + -9n = 0
-16n = -12 + 0
-16n = -12

Divide each side by '-16'.
n = 0.75

Simplifying
n = 0.75

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