9=s+12

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Solution for 9=s+12 equation:


Simplifying
9 = s + 12

Reorder the terms:
9 = 12 + s

Solving
9 = 12 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
9 + -1s = 12 + s + -1s

Combine like terms: s + -1s = 0
9 + -1s = 12 + 0
9 + -1s = 12

Add '-9' to each side of the equation.
9 + -9 + -1s = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -1s = 12 + -9
-1s = 12 + -9

Combine like terms: 12 + -9 = 3
-1s = 3

Divide each side by '-1'.
s = -3

Simplifying
s = -3

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