3(x+3)=-6(5+2x+1)

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Solution for 3(x+3)=-6(5+2x+1) equation: 



3(x+3)=-6(5+2x+1)

We move all terms to the left:

3(x+3)-(-6(5+2x+1))=0

We add all the numbers together, and all the variables

3(x+3)-(-6(2x+6))=0

We multiply parentheses

3x-(-6(2x+6))+9=0



We calculate terms in parentheses: -(-6(2x+6)), so:

-6(2x+6)

We multiply parentheses

-12x-36

Back to the equation:

-(-12x-36)



We get rid of parentheses

3x+12x+36+9=0

We add all the numbers together, and all the variables

15x+45=0

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

15x=-45

x=-45/15

x=-3

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