-2=-(n-a)

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Solution for -2=-(n-a) equation:


Simplifying
-2 = -1(n + -1a)

Reorder the terms:
-2 = -1(-1a + n)
-2 = (-1a * -1 + n * -1)
-2 = (1a + -1n)

Solving
-2 = 1a + -1n

Solving for variable 'a'.

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

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

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

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

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

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

Simplifying
a = -2 + n

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