3s-7=20;s=

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Solution for 3s-7=20;s= equation: 



3s-7=20s=

We move all terms to the left:

3s-7-(20s)=0

We add all the numbers together, and all the variables

-17s-7=0

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

-17s=7

s=7/-17

s=-7/17

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