s+20+7s-40=s+50

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Solution for s+20+7s-40=s+50 equation: 



s+20+7s-40=s+50

We move all terms to the left:

s+20+7s-40-(s+50)=0

We add all the numbers together, and all the variables

8s-(s+50)-20=0

We get rid of parentheses

8s-s-50-20=0

We add all the numbers together, and all the variables

7s-70=0

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

7s=70

s=70/7

s=10

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