N-4-9=a

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Solution for N-4-9=a equation: 


Simplifying
N + -4 + -9 = a

Reorder the terms:
-4 + -9 + N = a

Combine like terms: -4 + -9 = -13
-13 + N = a

Solving
-13 + N = a

Solving for variable 'N'.

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

Add '13' to each side of the equation.
-13 + 13 + N = 13 + a

Combine like terms: -13 + 13 = 0
0 + N = 13 + a
N = 13 + a

Simplifying
N = 13 + a

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