-7(x+4)+7=-21

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Solution for -7(x+4)+7=-21 equation: 



-7(x+4)+7=-21

We move all terms to the left:

-7(x+4)+7-(-21)=0

We add all the numbers together, and all the variables

-7(x+4)+28=0

We multiply parentheses

-7x-28+28=0

We add all the numbers together, and all the variables

-7x=0

x=0/-7

x=0

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