-21+s=-30

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Solution for -21+s=-30 equation: 


Simplifying
-21 + s = -30

Solving
-21 + s = -30

Solving for variable 's'.

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

Add '21' to each side of the equation.
-21 + 21 + s = -30 + 21

Combine like terms: -21 + 21 = 0
0 + s = -30 + 21
s = -30 + 21

Combine like terms: -30 + 21 = -9
s = -9

Simplifying
s = -9

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