-n-4(1+n)=8n+9

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Solution for -n-4(1+n)=8n+9 equation:


Simplifying
-1n + -4(1 + n) = 8n + 9
-1n + (1 * -4 + n * -4) = 8n + 9
-1n + (-4 + -4n) = 8n + 9

Reorder the terms:
-4 + -1n + -4n = 8n + 9

Combine like terms: -1n + -4n = -5n
-4 + -5n = 8n + 9

Reorder the terms:
-4 + -5n = 9 + 8n

Solving
-4 + -5n = 9 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
-4 + -5n + -8n = 9 + 8n + -8n

Combine like terms: -5n + -8n = -13n
-4 + -13n = 9 + 8n + -8n

Combine like terms: 8n + -8n = 0
-4 + -13n = 9 + 0
-4 + -13n = 9

Add '4' to each side of the equation.
-4 + 4 + -13n = 9 + 4

Combine like terms: -4 + 4 = 0
0 + -13n = 9 + 4
-13n = 9 + 4

Combine like terms: 9 + 4 = 13
-13n = 13

Divide each side by '-13'.
n = -1

Simplifying
n = -1

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