3(s+5)=-2(3+9s)

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Solution for 3(s+5)=-2(3+9s) equation: 



3(s+5)=-2(3+9s)

We move all terms to the left:

3(s+5)-(-2(3+9s))=0

We add all the numbers together, and all the variables

3(s+5)-(-2(9s+3))=0

We multiply parentheses

3s-(-2(9s+3))+15=0



We calculate terms in parentheses: -(-2(9s+3)), so:

-2(9s+3)

We multiply parentheses

-18s-6

Back to the equation:

-(-18s-6)



We get rid of parentheses

3s+18s+6+15=0

We add all the numbers together, and all the variables

21s+21=0

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

21s=-21

s=-21/21

s=-1

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