2n-a=

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Solution for 2n-a= equation: 


Simplifying
2n + -1a = 0

Reorder the terms:
-1a + 2n = 0

Solving
-1a + 2n = 0

Solving for variable 'a'.

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

Add '-2n' to each side of the equation.
-1a + 2n + -2n = 0 + -2n

Combine like terms: 2n + -2n = 0
-1a + 0 = 0 + -2n
-1a = 0 + -2n
Remove the zero:
-1a = -2n

Divide each side by '-1'.
a = 2n

Simplifying
a = 2n

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