-20=2n+-9

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Solution for -20=2n+-9 equation:


Simplifying
-20 = 2n + -9

Reorder the terms:
-20 = -9 + 2n

Solving
-20 = -9 + 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 = -9 + 2n + -2n

Combine like terms: 2n + -2n = 0
-20 + -2n = -9 + 0
-20 + -2n = -9

Add '20' to each side of the equation.
-20 + 20 + -2n = -9 + 20

Combine like terms: -20 + 20 = 0
0 + -2n = -9 + 20
-2n = -9 + 20

Combine like terms: -9 + 20 = 11
-2n = 11

Divide each side by '-2'.
n = -5.5

Simplifying
n = -5.5

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