13s-31=2s+9

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Solution for 13s-31=2s+9 equation:


Simplifying
13s + -31 = 2s + 9

Reorder the terms:
-31 + 13s = 2s + 9

Reorder the terms:
-31 + 13s = 9 + 2s

Solving
-31 + 13s = 9 + 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.
-31 + 13s + -2s = 9 + 2s + -2s

Combine like terms: 13s + -2s = 11s
-31 + 11s = 9 + 2s + -2s

Combine like terms: 2s + -2s = 0
-31 + 11s = 9 + 0
-31 + 11s = 9

Add '31' to each side of the equation.
-31 + 31 + 11s = 9 + 31

Combine like terms: -31 + 31 = 0
0 + 11s = 9 + 31
11s = 9 + 31

Combine like terms: 9 + 31 = 40
11s = 40

Divide each side by '11'.
s = 3.636363636

Simplifying
s = 3.636363636

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