6s-21=2s+27

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Solution for 6s-21=2s+27 equation:


Simplifying
6s + -21 = 2s + 27

Reorder the terms:
-21 + 6s = 2s + 27

Reorder the terms:
-21 + 6s = 27 + 2s

Solving
-21 + 6s = 27 + 2s

Solving for variable 's'.

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

Add '-2s' to each side of the equation.
-21 + 6s + -2s = 27 + 2s + -2s

Combine like terms: 6s + -2s = 4s
-21 + 4s = 27 + 2s + -2s

Combine like terms: 2s + -2s = 0
-21 + 4s = 27 + 0
-21 + 4s = 27

Add '21' to each side of the equation.
-21 + 21 + 4s = 27 + 21

Combine like terms: -21 + 21 = 0
0 + 4s = 27 + 21
4s = 27 + 21

Combine like terms: 27 + 21 = 48
4s = 48

Divide each side by '4'.
s = 12

Simplifying
s = 12

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