-3(x+7)-7=-28

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Solution for -3(x+7)-7=-28 equation: 



-3(x+7)-7=-28

We move all terms to the left:

-3(x+7)-7-(-28)=0

We add all the numbers together, and all the variables

-3(x+7)+21=0

We multiply parentheses

-3x-21+21=0

We add all the numbers together, and all the variables

-3x=0

x=0/-3

x=0

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