3x+13=-7(x+1)

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Solution for 3x+13=-7(x+1) equation: 



3x+13=-7(x+1)

We move all terms to the left:

3x+13-(-7(x+1))=0



We calculate terms in parentheses: -(-7(x+1)), so:

-7(x+1)

We multiply parentheses

-7x-7

Back to the equation:

-(-7x-7)



We get rid of parentheses

3x+7x+7+13=0

We add all the numbers together, and all the variables

10x+20=0

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

10x=-20

x=-20/10

x=-2

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