s-21=-45

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Solution for s-21=-45 equation: 


Simplifying
s + -21 = -45

Reorder the terms:
-21 + s = -45

Solving
-21 + s = -45

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 = -45 + 21

Combine like terms: -21 + 21 = 0
0 + s = -45 + 21
s = -45 + 21

Combine like terms: -45 + 21 = -24
s = -24

Simplifying
s = -24

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