-3(3s-4)-12=-3(9s+1)-4

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Solution for -3(3s-4)-12=-3(9s+1)-4 equation: 



-3(3s-4)-12=-3(9s+1)-4

We move all terms to the left:

-3(3s-4)-12-(-3(9s+1)-4)=0

We multiply parentheses

-9s-(-3(9s+1)-4)+12-12=0



We calculate terms in parentheses: -(-3(9s+1)-4), so:

-3(9s+1)-4

We multiply parentheses

-27s-3-4

We add all the numbers together, and all the variables

-27s-7

Back to the equation:

-(-27s-7)



We add all the numbers together, and all the variables

-9s-(-27s-7)=0

We get rid of parentheses

-9s+27s+7=0

We add all the numbers together, and all the variables

18s+7=0

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

18s=-7

s=-7/18

s=-7/18

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