12-s=25

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Solution for 12-s=25 equation: 


Simplifying
12 + -1s = 25

Solving
12 + -1s = 25

Solving for variable 's'.

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

Add '-12' to each side of the equation.
12 + -12 + -1s = 25 + -12

Combine like terms: 12 + -12 = 0
0 + -1s = 25 + -12
-1s = 25 + -12

Combine like terms: 25 + -12 = 13
-1s = 13

Divide each side by '-1'.
s = -13

Simplifying
s = -13

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