3n-1+2n=9

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Solution for 3n-1+2n=9 equation: 


Simplifying
3n + -1 + 2n = 9

Reorder the terms:
-1 + 3n + 2n = 9

Combine like terms: 3n + 2n = 5n
-1 + 5n = 9

Solving
-1 + 5n = 9

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 5n = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 5n = 9 + 1
5n = 9 + 1

Combine like terms: 9 + 1 = 10
5n = 10

Divide each side by '5'.
n = 2

Simplifying
n = 2

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