4+2n-9=

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Solution for 4+2n-9= equation: 


Simplifying
4 + 2n + -9 = 0

Reorder the terms:
4 + -9 + 2n = 0

Combine like terms: 4 + -9 = -5
-5 + 2n = 0

Solving
-5 + 2n = 0

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 2n = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 2n = 0 + 5
2n = 0 + 5

Combine like terms: 0 + 5 = 5
2n = 5

Divide each side by '2'.
n = 2.5

Simplifying
n = 2.5

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