s+39=20

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Solution for s+39=20 equation: 


Simplifying
s + 39 = 20

Reorder the terms:
39 + s = 20

Solving
39 + s = 20

Solving for variable 's'.

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

Add '-39' to each side of the equation.
39 + -39 + s = 20 + -39

Combine like terms: 39 + -39 = 0
0 + s = 20 + -39
s = 20 + -39

Combine like terms: 20 + -39 = -19
s = -19

Simplifying
s = -19

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