3s+20=77

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Solution for 3s+20=77 equation: 



3s+20=77

We move all terms to the left:

3s+20-(77)=0

We add all the numbers together, and all the variables

3s-57=0

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

3s=57

s=57/3

s=19

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