-3(4n-4)-9=9(4n-5)

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Solution for -3(4n-4)-9=9(4n-5) equation:


Simplifying
-3(4n + -4) + -9 = 9(4n + -5)

Reorder the terms:
-3(-4 + 4n) + -9 = 9(4n + -5)
(-4 * -3 + 4n * -3) + -9 = 9(4n + -5)
(12 + -12n) + -9 = 9(4n + -5)

Reorder the terms:
12 + -9 + -12n = 9(4n + -5)

Combine like terms: 12 + -9 = 3
3 + -12n = 9(4n + -5)

Reorder the terms:
3 + -12n = 9(-5 + 4n)
3 + -12n = (-5 * 9 + 4n * 9)
3 + -12n = (-45 + 36n)

Solving
3 + -12n = -45 + 36n

Solving for variable 'n'.

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

Add '-36n' to each side of the equation.
3 + -12n + -36n = -45 + 36n + -36n

Combine like terms: -12n + -36n = -48n
3 + -48n = -45 + 36n + -36n

Combine like terms: 36n + -36n = 0
3 + -48n = -45 + 0
3 + -48n = -45

Add '-3' to each side of the equation.
3 + -3 + -48n = -45 + -3

Combine like terms: 3 + -3 = 0
0 + -48n = -45 + -3
-48n = -45 + -3

Combine like terms: -45 + -3 = -48
-48n = -48

Divide each side by '-48'.
n = 1

Simplifying
n = 1

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