6n-[9n-4(n+2)]=7n-(2-5n)

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Solution for 6n-[9n-4(n+2)]=7n-(2-5n) equation:


Simplifying
6n + -1[9n + -4(n + 2)] = 7n + -1(2 + -5n)

Reorder the terms:
6n + -1[9n + -4(2 + n)] = 7n + -1(2 + -5n)
6n + -1[9n + (2 * -4 + n * -4)] = 7n + -1(2 + -5n)
6n + -1[9n + (-8 + -4n)] = 7n + -1(2 + -5n)

Reorder the terms:
6n + -1[-8 + 9n + -4n] = 7n + -1(2 + -5n)

Combine like terms: 9n + -4n = 5n
6n + -1[-8 + 5n] = 7n + -1(2 + -5n)
6n + [-8 * -1 + 5n * -1] = 7n + -1(2 + -5n)
6n + [8 + -5n] = 7n + -1(2 + -5n)

Reorder the terms:
8 + 6n + -5n = 7n + -1(2 + -5n)

Combine like terms: 6n + -5n = 1n
8 + 1n = 7n + -1(2 + -5n)
8 + 1n = 7n + (2 * -1 + -5n * -1)
8 + 1n = 7n + (-2 + 5n)

Reorder the terms:
8 + 1n = -2 + 7n + 5n

Combine like terms: 7n + 5n = 12n
8 + 1n = -2 + 12n

Solving
8 + 1n = -2 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
8 + 1n + -12n = -2 + 12n + -12n

Combine like terms: 1n + -12n = -11n
8 + -11n = -2 + 12n + -12n

Combine like terms: 12n + -12n = 0
8 + -11n = -2 + 0
8 + -11n = -2

Add '-8' to each side of the equation.
8 + -8 + -11n = -2 + -8

Combine like terms: 8 + -8 = 0
0 + -11n = -2 + -8
-11n = -2 + -8

Combine like terms: -2 + -8 = -10
-11n = -10

Divide each side by '-11'.
n = 0.9090909091

Simplifying
n = 0.9090909091

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