7s+40=5s+42

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Solution for 7s+40=5s+42 equation: 



7s+40=5s+42

We move all terms to the left:

7s+40-(5s+42)=0

We get rid of parentheses

7s-5s-42+40=0

We add all the numbers together, and all the variables

2s-2=0

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

2s=2

s=2/2

s=1

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