30=4s+9s

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Solution for 30=4s+9s equation:


30=4s+9s

We simplify the equation to the form, which is simple to understand 
30=4s+9s

We move all terms containing s to the left and all other terms to the right. 
-4s-9s=-30

We simplify left and right side of the equation. 
-13s=-30

We divide both sides of the equation by -13 to get s. 
s=2.3076923076923

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