4+21=-5(8x-5)

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Solution for 4+21=-5(8x-5) equation: 



4+21=-5(8x-5)

We move all terms to the left:

4+21-(-5(8x-5))=0

We add all the numbers together, and all the variables

-(-5(8x-5))+25=0



We calculate terms in parentheses: -(-5(8x-5)), so:

-5(8x-5)

We multiply parentheses

-40x+25

Back to the equation:

-(-40x+25)



We get rid of parentheses

40x-25+25=0

We add all the numbers together, and all the variables

40x=0

x=0/40

x=0

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