9(12n-6)=15(7n)

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Solution for 9(12n-6)=15(7n) equation:


Simplifying
9(12n + -6) = 15(7n)

Reorder the terms:
9(-6 + 12n) = 15(7n)
(-6 * 9 + 12n * 9) = 15(7n)
(-54 + 108n) = 15(7n)

Remove parenthesis around (7n)
-54 + 108n = 15 * 7n

Multiply 15 * 7
-54 + 108n = 105n

Solving
-54 + 108n = 105n

Solving for variable 'n'.

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

Add '-105n' to each side of the equation.
-54 + 108n + -105n = 105n + -105n

Combine like terms: 108n + -105n = 3n
-54 + 3n = 105n + -105n

Combine like terms: 105n + -105n = 0
-54 + 3n = 0

Add '54' to each side of the equation.
-54 + 54 + 3n = 0 + 54

Combine like terms: -54 + 54 = 0
0 + 3n = 0 + 54
3n = 0 + 54

Combine like terms: 0 + 54 = 54
3n = 54

Divide each side by '3'.
n = 18

Simplifying
n = 18

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