6(9-n)=3n-18

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Solution for 6(9-n)=3n-18 equation:


Simplifying
6(9 + -1n) = 3n + -18
(9 * 6 + -1n * 6) = 3n + -18
(54 + -6n) = 3n + -18

Reorder the terms:
54 + -6n = -18 + 3n

Solving
54 + -6n = -18 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
54 + -6n + -3n = -18 + 3n + -3n

Combine like terms: -6n + -3n = -9n
54 + -9n = -18 + 3n + -3n

Combine like terms: 3n + -3n = 0
54 + -9n = -18 + 0
54 + -9n = -18

Add '-54' to each side of the equation.
54 + -54 + -9n = -18 + -54

Combine like terms: 54 + -54 = 0
0 + -9n = -18 + -54
-9n = -18 + -54

Combine like terms: -18 + -54 = -72
-9n = -72

Divide each side by '-9'.
n = 8

Simplifying
n = 8

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