12-s=-3

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Solution for 12-s=-3 equation:


Simplifying
12 + -1s = -3

Solving
12 + -1s = -3

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 = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -1s = -3 + -12
-1s = -3 + -12

Combine like terms: -3 + -12 = -15
-1s = -15

Divide each side by '-1'.
s = 15

Simplifying
s = 15

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