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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-4x-(-4x-21)-28=0

We get rid of parentheses

-4x+4x+21-28=0

We add all the numbers together, and all the variables

-7!=0

There is no solution for this equation

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