2[7-5(1-n)]+7n=-11+3[2(n+1)-3n]

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Solution for 2[7-5(1-n)]+7n=-11+3[2(n+1)-3n] equation:


Simplifying
2[7 + -5(1 + -1n)] + 7n = -11 + 3[2(n + 1) + -3n]
2[7 + (1 * -5 + -1n * -5)] + 7n = -11 + 3[2(n + 1) + -3n]
2[7 + (-5 + 5n)] + 7n = -11 + 3[2(n + 1) + -3n]

Combine like terms: 7 + -5 = 2
2[2 + 5n] + 7n = -11 + 3[2(n + 1) + -3n]
[2 * 2 + 5n * 2] + 7n = -11 + 3[2(n + 1) + -3n]
[4 + 10n] + 7n = -11 + 3[2(n + 1) + -3n]

Combine like terms: 10n + 7n = 17n
4 + 17n = -11 + 3[2(n + 1) + -3n]

Reorder the terms:
4 + 17n = -11 + 3[2(1 + n) + -3n]
4 + 17n = -11 + 3[(1 * 2 + n * 2) + -3n]
4 + 17n = -11 + 3[(2 + 2n) + -3n]

Combine like terms: 2n + -3n = -1n
4 + 17n = -11 + 3[2 + -1n]
4 + 17n = -11 + [2 * 3 + -1n * 3]
4 + 17n = -11 + [6 + -3n]

Combine like terms: -11 + 6 = -5
4 + 17n = -5 + -3n

Solving
4 + 17n = -5 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
4 + 17n + 3n = -5 + -3n + 3n

Combine like terms: 17n + 3n = 20n
4 + 20n = -5 + -3n + 3n

Combine like terms: -3n + 3n = 0
4 + 20n = -5 + 0
4 + 20n = -5

Add '-4' to each side of the equation.
4 + -4 + 20n = -5 + -4

Combine like terms: 4 + -4 = 0
0 + 20n = -5 + -4
20n = -5 + -4

Combine like terms: -5 + -4 = -9
20n = -9

Divide each side by '20'.
n = -0.45

Simplifying
n = -0.45

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