20=-4(9x-5)

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Solution for 20=-4(9x-5) equation: 



20=-4(9x-5)

We move all terms to the left:

20-(-4(9x-5))=0



We calculate terms in parentheses: -(-4(9x-5)), so:

-4(9x-5)

We multiply parentheses

-36x+20

Back to the equation:

-(-36x+20)



We get rid of parentheses

36x-20+20=0

We add all the numbers together, and all the variables

36x=0

x=0/36

x=0

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