1=2-S

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Solution for 1=2-S equation: 


Simplifying
1 = 2 + -1S

Solving
1 = 2 + -1S

Solving for variable 'S'.

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

Add 'S' to each side of the equation.
1 + S = 2 + -1S + S

Combine like terms: -1S + S = 0
1 + S = 2 + 0
1 + S = 2

Add '-1' to each side of the equation.
1 + -1 + S = 2 + -1

Combine like terms: 1 + -1 = 0
0 + S = 2 + -1
S = 2 + -1

Combine like terms: 2 + -1 = 1
S = 1

Simplifying
S = 1

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