9(n-3)=12(n-5)

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Solution for 9(n-3)=12(n-5) equation:


Simplifying
9(n + -3) = 12(n + -5)

Reorder the terms:
9(-3 + n) = 12(n + -5)
(-3 * 9 + n * 9) = 12(n + -5)
(-27 + 9n) = 12(n + -5)

Reorder the terms:
-27 + 9n = 12(-5 + n)
-27 + 9n = (-5 * 12 + n * 12)
-27 + 9n = (-60 + 12n)

Solving
-27 + 9n = -60 + 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.
-27 + 9n + -12n = -60 + 12n + -12n

Combine like terms: 9n + -12n = -3n
-27 + -3n = -60 + 12n + -12n

Combine like terms: 12n + -12n = 0
-27 + -3n = -60 + 0
-27 + -3n = -60

Add '27' to each side of the equation.
-27 + 27 + -3n = -60 + 27

Combine like terms: -27 + 27 = 0
0 + -3n = -60 + 27
-3n = -60 + 27

Combine like terms: -60 + 27 = -33
-3n = -33

Divide each side by '-3'.
n = 11

Simplifying
n = 11

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