-5n+21=-6n-4(n+1)

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Solution for -5n+21=-6n-4(n+1) equation:


Simplifying
-5n + 21 = -6n + -4(n + 1)

Reorder the terms:
21 + -5n = -6n + -4(n + 1)

Reorder the terms:
21 + -5n = -6n + -4(1 + n)
21 + -5n = -6n + (1 * -4 + n * -4)
21 + -5n = -6n + (-4 + -4n)

Reorder the terms:
21 + -5n = -4 + -6n + -4n

Combine like terms: -6n + -4n = -10n
21 + -5n = -4 + -10n

Solving
21 + -5n = -4 + -10n

Solving for variable 'n'.

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

Add '10n' to each side of the equation.
21 + -5n + 10n = -4 + -10n + 10n

Combine like terms: -5n + 10n = 5n
21 + 5n = -4 + -10n + 10n

Combine like terms: -10n + 10n = 0
21 + 5n = -4 + 0
21 + 5n = -4

Add '-21' to each side of the equation.
21 + -21 + 5n = -4 + -21

Combine like terms: 21 + -21 = 0
0 + 5n = -4 + -21
5n = -4 + -21

Combine like terms: -4 + -21 = -25
5n = -25

Divide each side by '5'.
n = -5

Simplifying
n = -5

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