3s-6=-21+8s

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Solution for 3s-6=-21+8s equation:


Simplifying
3s + -6 = -21 + 8s

Reorder the terms:
-6 + 3s = -21 + 8s

Solving
-6 + 3s = -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.
-6 + 3s + -8s = -21 + 8s + -8s

Combine like terms: 3s + -8s = -5s
-6 + -5s = -21 + 8s + -8s

Combine like terms: 8s + -8s = 0
-6 + -5s = -21 + 0
-6 + -5s = -21

Add '6' to each side of the equation.
-6 + 6 + -5s = -21 + 6

Combine like terms: -6 + 6 = 0
0 + -5s = -21 + 6
-5s = -21 + 6

Combine like terms: -21 + 6 = -15
-5s = -15

Divide each side by '-5'.
s = 3

Simplifying
s = 3

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