2(n+9)=4(n-6)

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Solution for 2(n+9)=4(n-6) equation:


Simplifying
2(n + 9) = 4(n + -6)

Reorder the terms:
2(9 + n) = 4(n + -6)
(9 * 2 + n * 2) = 4(n + -6)
(18 + 2n) = 4(n + -6)

Reorder the terms:
18 + 2n = 4(-6 + n)
18 + 2n = (-6 * 4 + n * 4)
18 + 2n = (-24 + 4n)

Solving
18 + 2n = -24 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
18 + 2n + -4n = -24 + 4n + -4n

Combine like terms: 2n + -4n = -2n
18 + -2n = -24 + 4n + -4n

Combine like terms: 4n + -4n = 0
18 + -2n = -24 + 0
18 + -2n = -24

Add '-18' to each side of the equation.
18 + -18 + -2n = -24 + -18

Combine like terms: 18 + -18 = 0
0 + -2n = -24 + -18
-2n = -24 + -18

Combine like terms: -24 + -18 = -42
-2n = -42

Divide each side by '-2'.
n = 21

Simplifying
n = 21

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