3N-9+2N=43

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Solution for 3N-9+2N=43 equation: 


Simplifying
3N + -9 + 2N = 43

Reorder the terms:
-9 + 3N + 2N = 43

Combine like terms: 3N + 2N = 5N
-9 + 5N = 43

Solving
-9 + 5N = 43

Solving for variable 'N'.

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

Add '9' to each side of the equation.
-9 + 9 + 5N = 43 + 9

Combine like terms: -9 + 9 = 0
0 + 5N = 43 + 9
5N = 43 + 9

Combine like terms: 43 + 9 = 52
5N = 52

Divide each side by '5'.
N = 10.4

Simplifying
N = 10.4

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