a+s=321

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Solution for a+s=321 equation: 


Simplifying
a + s = 321

Solving
a + s = 321

Solving for variable 'a'.

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

Add '-1s' to each side of the equation.
a + s + -1s = 321 + -1s

Combine like terms: s + -1s = 0
a + 0 = 321 + -1s
a = 321 + -1s

Simplifying
a = 321 + -1s

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