-12(n-12)=-9(1+7n)

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Solution for -12(n-12)=-9(1+7n) equation:


Simplifying
-12(n + -12) = -9(1 + 7n)

Reorder the terms:
-12(-12 + n) = -9(1 + 7n)
(-12 * -12 + n * -12) = -9(1 + 7n)
(144 + -12n) = -9(1 + 7n)
144 + -12n = (1 * -9 + 7n * -9)
144 + -12n = (-9 + -63n)

Solving
144 + -12n = -9 + -63n

Solving for variable 'n'.

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

Add '63n' to each side of the equation.
144 + -12n + 63n = -9 + -63n + 63n

Combine like terms: -12n + 63n = 51n
144 + 51n = -9 + -63n + 63n

Combine like terms: -63n + 63n = 0
144 + 51n = -9 + 0
144 + 51n = -9

Add '-144' to each side of the equation.
144 + -144 + 51n = -9 + -144

Combine like terms: 144 + -144 = 0
0 + 51n = -9 + -144
51n = -9 + -144

Combine like terms: -9 + -144 = -153
51n = -153

Divide each side by '51'.
n = -3

Simplifying
n = -3

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