20=2(n+8)

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Solution for 20=2(n+8) equation:


Simplifying
20 = 2(n + 8)

Reorder the terms:
20 = 2(8 + n)
20 = (8 * 2 + n * 2)
20 = (16 + 2n)

Solving
20 = 16 + 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.
20 + -2n = 16 + 2n + -2n

Combine like terms: 2n + -2n = 0
20 + -2n = 16 + 0
20 + -2n = 16

Add '-20' to each side of the equation.
20 + -20 + -2n = 16 + -20

Combine like terms: 20 + -20 = 0
0 + -2n = 16 + -20
-2n = 16 + -20

Combine like terms: 16 + -20 = -4
-2n = -4

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

Simplifying
n = 2

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