20-n=3n+8(1-n)

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Solution for 20-n=3n+8(1-n) equation:


Simplifying
20 + -1n = 3n + 8(1 + -1n)
20 + -1n = 3n + (1 * 8 + -1n * 8)
20 + -1n = 3n + (8 + -8n)

Reorder the terms:
20 + -1n = 8 + 3n + -8n

Combine like terms: 3n + -8n = -5n
20 + -1n = 8 + -5n

Solving
20 + -1n = 8 + -5n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '5n' to each side of the equation.
20 + -1n + 5n = 8 + -5n + 5n

Combine like terms: -1n + 5n = 4n
20 + 4n = 8 + -5n + 5n

Combine like terms: -5n + 5n = 0
20 + 4n = 8 + 0
20 + 4n = 8

Add '-20' to each side of the equation.
20 + -20 + 4n = 8 + -20

Combine like terms: 20 + -20 = 0
0 + 4n = 8 + -20
4n = 8 + -20

Combine like terms: 8 + -20 = -12
4n = -12

Divide each side by '4'.
n = -3

Simplifying
n = -3

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