(4-9n)=23

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Solution for (4-9n)=23 equation: 


Simplifying
(4 + -9n) = 23

Remove parenthesis around (4 + -9n)
4 + -9n = 23

Solving
4 + -9n = 23

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + -9n = 23 + -4

Combine like terms: 4 + -4 = 0
0 + -9n = 23 + -4
-9n = 23 + -4

Combine like terms: 23 + -4 = 19
-9n = 19

Divide each side by '-9'.
n = -2.111111111

Simplifying
n = -2.111111111

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