2n-9=3(n+6)

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Solution for 2n-9=3(n+6) equation:


Simplifying
2n + -9 = 3(n + 6)

Reorder the terms:
-9 + 2n = 3(n + 6)

Reorder the terms:
-9 + 2n = 3(6 + n)
-9 + 2n = (6 * 3 + n * 3)
-9 + 2n = (18 + 3n)

Solving
-9 + 2n = 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.
-9 + 2n + -3n = 18 + 3n + -3n

Combine like terms: 2n + -3n = -1n
-9 + -1n = 18 + 3n + -3n

Combine like terms: 3n + -3n = 0
-9 + -1n = 18 + 0
-9 + -1n = 18

Add '9' to each side of the equation.
-9 + 9 + -1n = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -1n = 18 + 9
-1n = 18 + 9

Combine like terms: 18 + 9 = 27
-1n = 27

Divide each side by '-1'.
n = -27

Simplifying
n = -27

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