-1=3s+-7

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Solution for -1=3s+-7 equation: 



-1=3s+-7

We move all terms to the left:

-1-(3s+-7)=0

We add all the numbers together, and all the variables

-(3s-7)-1=0

We get rid of parentheses

-3s+7-1=0

We add all the numbers together, and all the variables

-3s+6=0

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

-3s=-6

s=-6/-3

s=+2

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