9=2(n+7)

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Solution for 9=2(n+7) equation:


Simplifying
9 = 2(n + 7)

Reorder the terms:
9 = 2(7 + n)
9 = (7 * 2 + n * 2)
9 = (14 + 2n)

Solving
9 = 14 + 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.
9 + -2n = 14 + 2n + -2n

Combine like terms: 2n + -2n = 0
9 + -2n = 14 + 0
9 + -2n = 14

Add '-9' to each side of the equation.
9 + -9 + -2n = 14 + -9

Combine like terms: 9 + -9 = 0
0 + -2n = 14 + -9
-2n = 14 + -9

Combine like terms: 14 + -9 = 5
-2n = 5

Divide each side by '-2'.
n = -2.5

Simplifying
n = -2.5

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