7(x+1)=-21

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Solution for 7(x+1)=-21 equation: 



7(x+1)=-21

We move all terms to the left:

7(x+1)-(-21)=0

We add all the numbers together, and all the variables

7(x+1)+21=0

We multiply parentheses

7x+7+21=0

We add all the numbers together, and all the variables

7x+28=0

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

7x=-28

x=-28/7

x=-4

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