3s-5=-21

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Solution for 3s-5=-21 equation: 


Simplifying
3s + -5 = -21

Reorder the terms:
-5 + 3s = -21

Solving
-5 + 3s = -21

Solving for variable 's'.

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

Add '5' to each side of the equation.
-5 + 5 + 3s = -21 + 5

Combine like terms: -5 + 5 = 0
0 + 3s = -21 + 5
3s = -21 + 5

Combine like terms: -21 + 5 = -16
3s = -16

Divide each side by '3'.
s = -5.333333333

Simplifying
s = -5.333333333

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