2[7-3(1-n)]+9n=-2+2[6(n+1)-3n]

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Solution for 2[7-3(1-n)]+9n=-2+2[6(n+1)-3n] equation:


Simplifying
2[7 + -3(1 + -1n)] + 9n = -2 + 2[6(n + 1) + -3n]
2[7 + (1 * -3 + -1n * -3)] + 9n = -2 + 2[6(n + 1) + -3n]
2[7 + (-3 + 3n)] + 9n = -2 + 2[6(n + 1) + -3n]

Combine like terms: 7 + -3 = 4
2[4 + 3n] + 9n = -2 + 2[6(n + 1) + -3n]
[4 * 2 + 3n * 2] + 9n = -2 + 2[6(n + 1) + -3n]
[8 + 6n] + 9n = -2 + 2[6(n + 1) + -3n]

Combine like terms: 6n + 9n = 15n
8 + 15n = -2 + 2[6(n + 1) + -3n]

Reorder the terms:
8 + 15n = -2 + 2[6(1 + n) + -3n]
8 + 15n = -2 + 2[(1 * 6 + n * 6) + -3n]
8 + 15n = -2 + 2[(6 + 6n) + -3n]

Combine like terms: 6n + -3n = 3n
8 + 15n = -2 + 2[6 + 3n]
8 + 15n = -2 + [6 * 2 + 3n * 2]
8 + 15n = -2 + [12 + 6n]

Combine like terms: -2 + 12 = 10
8 + 15n = 10 + 6n

Solving
8 + 15n = 10 + 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.
8 + 15n + -6n = 10 + 6n + -6n

Combine like terms: 15n + -6n = 9n
8 + 9n = 10 + 6n + -6n

Combine like terms: 6n + -6n = 0
8 + 9n = 10 + 0
8 + 9n = 10

Add '-8' to each side of the equation.
8 + -8 + 9n = 10 + -8

Combine like terms: 8 + -8 = 0
0 + 9n = 10 + -8
9n = 10 + -8

Combine like terms: 10 + -8 = 2
9n = 2

Divide each side by '9'.
n = 0.2222222222

Simplifying
n = 0.2222222222

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