-20=-4(8v-5)

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Solution for -20=-4(8v-5) equation: 



-20=-4(8v-5)

We move all terms to the left:

-20-(-4(8v-5))=0



We calculate terms in parentheses: -(-4(8v-5)), so:

-4(8v-5)

We multiply parentheses

-32v+20

Back to the equation:

-(-32v+20)



We get rid of parentheses

32v-20-20=0

We add all the numbers together, and all the variables

32v-40=0

We move all terms containing v to the left, all other terms to the right

32v=40

v=40/32

v=1+1/4

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