3s-4=s+9

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Solution for 3s-4=s+9 equation: 



3s-4=s+9

We move all terms to the left:

3s-4-(s+9)=0

We get rid of parentheses

3s-s-9-4=0

We add all the numbers together, and all the variables

2s-13=0

We move all terms containing s to the left, all other terms to the right

2s=13

s=13/2

s=6+1/2

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