6-2n=20

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Solution for 6-2n=20 equation: 


Simplifying
6 + -2n = 20

Solving
6 + -2n = 20

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + -2n = 20 + -6

Combine like terms: 6 + -6 = 0
0 + -2n = 20 + -6
-2n = 20 + -6

Combine like terms: 20 + -6 = 14
-2n = 14

Divide each side by '-2'.
n = -7

Simplifying
n = -7

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