6s-21=-13+8s

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Solution for 6s-21=-13+8s equation:


Simplifying
6s + -21 = -13 + 8s

Reorder the terms:
-21 + 6s = -13 + 8s

Solving
-21 + 6s = -13 + 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.
-21 + 6s + -8s = -13 + 8s + -8s

Combine like terms: 6s + -8s = -2s
-21 + -2s = -13 + 8s + -8s

Combine like terms: 8s + -8s = 0
-21 + -2s = -13 + 0
-21 + -2s = -13

Add '21' to each side of the equation.
-21 + 21 + -2s = -13 + 21

Combine like terms: -21 + 21 = 0
0 + -2s = -13 + 21
-2s = -13 + 21

Combine like terms: -13 + 21 = 8
-2s = 8

Divide each side by '-2'.
s = -4

Simplifying
s = -4

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