2n+4n-3=9

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Solution for 2n+4n-3=9 equation: 


Simplifying
2n + 4n + -3 = 9

Reorder the terms:
-3 + 2n + 4n = 9

Combine like terms: 2n + 4n = 6n
-3 + 6n = 9

Solving
-3 + 6n = 9

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + 6n = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 6n = 9 + 3
6n = 9 + 3

Combine like terms: 9 + 3 = 12
6n = 12

Divide each side by '6'.
n = 2

Simplifying
n = 2

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