121-s=123

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Solution for 121-s=123 equation: 


Simplifying
121 + -1s = 123

Solving
121 + -1s = 123

Solving for variable 's'.

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

Add '-121' to each side of the equation.
121 + -121 + -1s = 123 + -121

Combine like terms: 121 + -121 = 0
0 + -1s = 123 + -121
-1s = 123 + -121

Combine like terms: 123 + -121 = 2
-1s = 2

Divide each side by '-1'.
s = -2

Simplifying
s = -2

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