3s-7=2

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Solution for 3s-7=2 equation: 



3s-7=2

We move all terms to the left:

3s-7-(2)=0

We add all the numbers together, and all the variables

3s-9=0

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

3s=9

s=9/3

s=3

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