8-2n=20+n

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Solution for 8-2n=20+n equation:


Simplifying
8 + -2n = 20 + n

Solving
8 + -2n = 20 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
8 + -2n + -1n = 20 + n + -1n

Combine like terms: -2n + -1n = -3n
8 + -3n = 20 + n + -1n

Combine like terms: n + -1n = 0
8 + -3n = 20 + 0
8 + -3n = 20

Add '-8' to each side of the equation.
8 + -8 + -3n = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -3n = 20 + -8
-3n = 20 + -8

Combine like terms: 20 + -8 = 12
-3n = 12

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

Simplifying
n = -4

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