5s+3=8s-21

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Solution for 5s+3=8s-21 equation:


Simplifying
5s + 3 = 8s + -21

Reorder the terms:
3 + 5s = 8s + -21

Reorder the terms:
3 + 5s = -21 + 8s

Solving
3 + 5s = -21 + 8s

Solving for variable 's'.

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

Add '-8s' to each side of the equation.
3 + 5s + -8s = -21 + 8s + -8s

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

Combine like terms: 8s + -8s = 0
3 + -3s = -21 + 0
3 + -3s = -21

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

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

Combine like terms: -21 + -3 = -24
-3s = -24

Divide each side by '-3'.
s = 8

Simplifying
s = 8

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