20-n=2(n+1)

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Solution for 20-n=2(n+1) equation:


Simplifying
20 + -1n = 2(n + 1)

Reorder the terms:
20 + -1n = 2(1 + n)
20 + -1n = (1 * 2 + n * 2)
20 + -1n = (2 + 2n)

Solving
20 + -1n = 2 + 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 + -1n + -2n = 2 + 2n + -2n

Combine like terms: -1n + -2n = -3n
20 + -3n = 2 + 2n + -2n

Combine like terms: 2n + -2n = 0
20 + -3n = 2 + 0
20 + -3n = 2

Add '-20' to each side of the equation.
20 + -20 + -3n = 2 + -20

Combine like terms: 20 + -20 = 0
0 + -3n = 2 + -20
-3n = 2 + -20

Combine like terms: 2 + -20 = -18
-3n = -18

Divide each side by '-3'.
n = 6

Simplifying
n = 6

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