N-5+4=20

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Solution for N-5+4=20 equation: 


Simplifying
N + -5 + 4 = 20

Reorder the terms:
-5 + 4 + N = 20

Combine like terms: -5 + 4 = -1
-1 + N = 20

Solving
-1 + N = 20

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 + N = 20 + 1

Combine like terms: -1 + 1 = 0
0 + N = 20 + 1
N = 20 + 1

Combine like terms: 20 + 1 = 21
N = 21

Simplifying
N = 21

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