8n+9(11-5n)=12(n-4)

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Solution for 8n+9(11-5n)=12(n-4) equation:


Simplifying
8n + 9(11 + -5n) = 12(n + -4)
8n + (11 * 9 + -5n * 9) = 12(n + -4)
8n + (99 + -45n) = 12(n + -4)

Reorder the terms:
99 + 8n + -45n = 12(n + -4)

Combine like terms: 8n + -45n = -37n
99 + -37n = 12(n + -4)

Reorder the terms:
99 + -37n = 12(-4 + n)
99 + -37n = (-4 * 12 + n * 12)
99 + -37n = (-48 + 12n)

Solving
99 + -37n = -48 + 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.
99 + -37n + -12n = -48 + 12n + -12n

Combine like terms: -37n + -12n = -49n
99 + -49n = -48 + 12n + -12n

Combine like terms: 12n + -12n = 0
99 + -49n = -48 + 0
99 + -49n = -48

Add '-99' to each side of the equation.
99 + -99 + -49n = -48 + -99

Combine like terms: 99 + -99 = 0
0 + -49n = -48 + -99
-49n = -48 + -99

Combine like terms: -48 + -99 = -147
-49n = -147

Divide each side by '-49'.
n = 3

Simplifying
n = 3

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