9n+12(6-7n)=-8(12+12n)

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Solution for 9n+12(6-7n)=-8(12+12n) equation:


Simplifying
9n + 12(6 + -7n) = -8(12 + 12n)
9n + (6 * 12 + -7n * 12) = -8(12 + 12n)
9n + (72 + -84n) = -8(12 + 12n)

Reorder the terms:
72 + 9n + -84n = -8(12 + 12n)

Combine like terms: 9n + -84n = -75n
72 + -75n = -8(12 + 12n)
72 + -75n = (12 * -8 + 12n * -8)
72 + -75n = (-96 + -96n)

Solving
72 + -75n = -96 + -96n

Solving for variable 'n'.

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

Add '96n' to each side of the equation.
72 + -75n + 96n = -96 + -96n + 96n

Combine like terms: -75n + 96n = 21n
72 + 21n = -96 + -96n + 96n

Combine like terms: -96n + 96n = 0
72 + 21n = -96 + 0
72 + 21n = -96

Add '-72' to each side of the equation.
72 + -72 + 21n = -96 + -72

Combine like terms: 72 + -72 = 0
0 + 21n = -96 + -72
21n = -96 + -72

Combine like terms: -96 + -72 = -168
21n = -168

Divide each side by '21'.
n = -8

Simplifying
n = -8

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