2(7-5(1-n))+9n=-20+4(6(n+1)-3n)

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Solution for 2(7-5(1-n))+9n=-20+4(6(n+1)-3n) equation:


Simplifying
2(7 + -5(1 + -1n)) + 9n = -20 + 4(6(n + 1) + -3n)
2(7 + (1 * -5 + -1n * -5)) + 9n = -20 + 4(6(n + 1) + -3n)
2(7 + (-5 + 5n)) + 9n = -20 + 4(6(n + 1) + -3n)

Combine like terms: 7 + -5 = 2
2(2 + 5n) + 9n = -20 + 4(6(n + 1) + -3n)
(2 * 2 + 5n * 2) + 9n = -20 + 4(6(n + 1) + -3n)
(4 + 10n) + 9n = -20 + 4(6(n + 1) + -3n)

Combine like terms: 10n + 9n = 19n
4 + 19n = -20 + 4(6(n + 1) + -3n)

Reorder the terms:
4 + 19n = -20 + 4(6(1 + n) + -3n)
4 + 19n = -20 + 4((1 * 6 + n * 6) + -3n)
4 + 19n = -20 + 4((6 + 6n) + -3n)

Combine like terms: 6n + -3n = 3n
4 + 19n = -20 + 4(6 + 3n)
4 + 19n = -20 + (6 * 4 + 3n * 4)
4 + 19n = -20 + (24 + 12n)

Combine like terms: -20 + 24 = 4
4 + 19n = 4 + 12n

Add '-4' to each side of the equation.
4 + -4 + 19n = 4 + -4 + 12n

Combine like terms: 4 + -4 = 0
0 + 19n = 4 + -4 + 12n
19n = 4 + -4 + 12n

Combine like terms: 4 + -4 = 0
19n = 0 + 12n
19n = 12n

Solving
19n = 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.
19n + -12n = 12n + -12n

Combine like terms: 19n + -12n = 7n
7n = 12n + -12n

Combine like terms: 12n + -12n = 0
7n = 0

Divide each side by '7'.
n = 0

Simplifying
n = 0

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