6-3(1+7s)=-15

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Solution for 6-3(1+7s)=-15 equation: 



6-3(1+7s)=-15

We move all terms to the left:

6-3(1+7s)-(-15)=0

We add all the numbers together, and all the variables

-3(7s+1)+6-(-15)=0

We add all the numbers together, and all the variables

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

We multiply parentheses

-21s-3+21=0

We add all the numbers together, and all the variables

-21s+18=0

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

-21s=-18

s=-18/-21

s=6/7

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