7(4+b)=-7(-7-b)

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Solution for 7(4+b)=-7(-7-b) equation: 



7(4+b)=-7(-7-b)

We move all terms to the left:

7(4+b)-(-7(-7-b))=0

We add all the numbers together, and all the variables

7(b+4)-(-7(-1b-7))=0

We multiply parentheses

7b-(-7(-1b-7))+28=0



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

-7(-1b-7)

We multiply parentheses

7b+49

Back to the equation:

-(7b+49)



We get rid of parentheses

7b-7b-49+28=0

We add all the numbers together, and all the variables

-21!=0

There is no solution for this equation

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