S+8=20

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Solution for S+8=20 equation: 


Simplifying
S + 8 = 20

Reorder the terms:
8 + S = 20

Solving
8 + S = 20

Solving for variable 'S'.

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

Add '-8' to each side of the equation.
8 + -8 + S = 20 + -8

Combine like terms: 8 + -8 = 0
0 + S = 20 + -8
S = 20 + -8

Combine like terms: 20 + -8 = 12
S = 12

Simplifying
S = 12

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