2a+25=s

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Solution for 2a+25=s equation: 


Simplifying
2a + 25 = s

Reorder the terms:
25 + 2a = s

Solving
25 + 2a = s

Solving for variable 'a'.

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

Add '-25' to each side of the equation.
25 + -25 + 2a = -25 + s

Combine like terms: 25 + -25 = 0
0 + 2a = -25 + s
2a = -25 + s

Divide each side by '2'.
a = -12.5 + 0.5s

Simplifying
a = -12.5 + 0.5s

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