s-(-9)=-3

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Solution for s-(-9)=-3 equation: 


Simplifying
s + -1(-9) = -3

Multiply -1 * -9
s + 9 = -3

Reorder the terms:
9 + s = -3

Solving
9 + s = -3

Solving for variable 's'.

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

Add '-9' to each side of the equation.
9 + -9 + s = -3 + -9

Combine like terms: 9 + -9 = 0
0 + s = -3 + -9
s = -3 + -9

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

Simplifying
s = -12

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