2[7-4(1-n)]+7n=4+2[6(n+1)-3n]

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Solution for 2[7-4(1-n)]+7n=4+2[6(n+1)-3n] equation:


Simplifying
2[7 + -4(1 + -1n)] + 7n = 4 + 2[6(n + 1) + -3n]
2[7 + (1 * -4 + -1n * -4)] + 7n = 4 + 2[6(n + 1) + -3n]
2[7 + (-4 + 4n)] + 7n = 4 + 2[6(n + 1) + -3n]

Combine like terms: 7 + -4 = 3
2[3 + 4n] + 7n = 4 + 2[6(n + 1) + -3n]
[3 * 2 + 4n * 2] + 7n = 4 + 2[6(n + 1) + -3n]
[6 + 8n] + 7n = 4 + 2[6(n + 1) + -3n]

Combine like terms: 8n + 7n = 15n
6 + 15n = 4 + 2[6(n + 1) + -3n]

Reorder the terms:
6 + 15n = 4 + 2[6(1 + n) + -3n]
6 + 15n = 4 + 2[(1 * 6 + n * 6) + -3n]
6 + 15n = 4 + 2[(6 + 6n) + -3n]

Combine like terms: 6n + -3n = 3n
6 + 15n = 4 + 2[6 + 3n]
6 + 15n = 4 + [6 * 2 + 3n * 2]
6 + 15n = 4 + [12 + 6n]

Combine like terms: 4 + 12 = 16
6 + 15n = 16 + 6n

Solving
6 + 15n = 16 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
6 + 15n + -6n = 16 + 6n + -6n

Combine like terms: 15n + -6n = 9n
6 + 9n = 16 + 6n + -6n

Combine like terms: 6n + -6n = 0
6 + 9n = 16 + 0
6 + 9n = 16

Add '-6' to each side of the equation.
6 + -6 + 9n = 16 + -6

Combine like terms: 6 + -6 = 0
0 + 9n = 16 + -6
9n = 16 + -6

Combine like terms: 16 + -6 = 10
9n = 10

Divide each side by '9'.
n = 1.111111111

Simplifying
n = 1.111111111

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