S-a=

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Solution for S-a= equation: 


Simplifying
S + -1a = 0

Solving
S + -1a = 0

Solving for variable 'S'.

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

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

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

Simplifying
S = a

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