-4b-7=-2(2b-5)

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Solution for -4b-7=-2(2b-5) equation: 



-4b-7=-2(2b-5)

We move all terms to the left:

-4b-7-(-2(2b-5))=0



We calculate terms in parentheses: -(-2(2b-5)), so:

-2(2b-5)

We multiply parentheses

-4b+10

Back to the equation:

-(-4b+10)



We get rid of parentheses

-4b+4b-10-7=0

We add all the numbers together, and all the variables

-17!=0

There is no solution for this equation

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