3(n+4)=2(n+9)

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Solution for 3(n+4)=2(n+9) equation:


Simplifying
3(n + 4) = 2(n + 9)

Reorder the terms:
3(4 + n) = 2(n + 9)
(4 * 3 + n * 3) = 2(n + 9)
(12 + 3n) = 2(n + 9)

Reorder the terms:
12 + 3n = 2(9 + n)
12 + 3n = (9 * 2 + n * 2)
12 + 3n = (18 + 2n)

Solving
12 + 3n = 18 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
12 + 3n + -2n = 18 + 2n + -2n

Combine like terms: 3n + -2n = 1n
12 + 1n = 18 + 2n + -2n

Combine like terms: 2n + -2n = 0
12 + 1n = 18 + 0
12 + 1n = 18

Add '-12' to each side of the equation.
12 + -12 + 1n = 18 + -12

Combine like terms: 12 + -12 = 0
0 + 1n = 18 + -12
1n = 18 + -12

Combine like terms: 18 + -12 = 6
1n = 6

Divide each side by '1'.
n = 6

Simplifying
n = 6

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