-9-7(1+3s)=-30

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Solution for -9-7(1+3s)=-30 equation: 



-9-7(1+3s)=-30

We move all terms to the left:

-9-7(1+3s)-(-30)=0

We add all the numbers together, and all the variables

-7(3s+1)-9-(-30)=0

We add all the numbers together, and all the variables

-7(3s+1)+21=0

We multiply parentheses

-21s-7+21=0

We add all the numbers together, and all the variables

-21s+14=0

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

-21s=-14

s=-14/-21

s=2/3

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