s-4-81=0

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Solution for s-4-81=0 equation: 


Simplifying
s + -4 + -81 = 0

Reorder the terms:
-4 + -81 + s = 0

Combine like terms: -4 + -81 = -85
-85 + s = 0

Solving
-85 + s = 0

Solving for variable 's'.

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

Add '85' to each side of the equation.
-85 + 85 + s = 0 + 85

Combine like terms: -85 + 85 = 0
0 + s = 0 + 85
s = 0 + 85

Combine like terms: 0 + 85 = 85
s = 85

Simplifying
s = 85

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