N-20=8-9

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Solution for N-20=8-9 equation: 


Simplifying
N + -20 = 8 + -9

Reorder the terms:
-20 + N = 8 + -9

Combine like terms: 8 + -9 = -1
-20 + N = -1

Solving
-20 + N = -1

Solving for variable 'N'.

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

Add '20' to each side of the equation.
-20 + 20 + N = -1 + 20

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

Combine like terms: -1 + 20 = 19
N = 19

Simplifying
N = 19

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