6n-18=4(n+3)

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Solution for 6n-18=4(n+3) equation:


Simplifying
6n + -18 = 4(n + 3)

Reorder the terms:
-18 + 6n = 4(n + 3)

Reorder the terms:
-18 + 6n = 4(3 + n)
-18 + 6n = (3 * 4 + n * 4)
-18 + 6n = (12 + 4n)

Solving
-18 + 6n = 12 + 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 + 6n + -4n = 12 + 4n + -4n

Combine like terms: 6n + -4n = 2n
-18 + 2n = 12 + 4n + -4n

Combine like terms: 4n + -4n = 0
-18 + 2n = 12 + 0
-18 + 2n = 12

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

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

Combine like terms: 12 + 18 = 30
2n = 30

Divide each side by '2'.
n = 15

Simplifying
n = 15

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