8s=5s+21

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Solution for 8s=5s+21 equation: 


Simplifying
8s = 5s + 21

Reorder the terms:
8s = 21 + 5s

Solving
8s = 21 + 5s

Solving for variable 's'.

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

Add '-5s' to each side of the equation.
8s + -5s = 21 + 5s + -5s

Combine like terms: 8s + -5s = 3s
3s = 21 + 5s + -5s

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

Divide each side by '3'.
s = 7

Simplifying
s = 7

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