5(n+5)-(5-5n)=9n

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Solution for 5(n+5)-(5-5n)=9n equation:


Simplifying
5(n + 5) + -1(5 + -5n) = 9n

Reorder the terms:
5(5 + n) + -1(5 + -5n) = 9n
(5 * 5 + n * 5) + -1(5 + -5n) = 9n
(25 + 5n) + -1(5 + -5n) = 9n
25 + 5n + (5 * -1 + -5n * -1) = 9n
25 + 5n + (-5 + 5n) = 9n

Reorder the terms:
25 + -5 + 5n + 5n = 9n

Combine like terms: 25 + -5 = 20
20 + 5n + 5n = 9n

Combine like terms: 5n + 5n = 10n
20 + 10n = 9n

Solving
20 + 10n = 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
20 + 10n + -9n = 9n + -9n

Combine like terms: 10n + -9n = 1n
20 + 1n = 9n + -9n

Combine like terms: 9n + -9n = 0
20 + 1n = 0

Add '-20' to each side of the equation.
20 + -20 + 1n = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 1n = 0 + -20
1n = 0 + -20

Combine like terms: 0 + -20 = -20
1n = -20

Divide each side by '1'.
n = -20

Simplifying
n = -20

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