20+7v=3+4(4v-7)

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Solution for 20+7v=3+4(4v-7) equation: 



20+7v=3+4(4v-7)

We move all terms to the left:

20+7v-(3+4(4v-7))=0



We calculate terms in parentheses: -(3+4(4v-7)), so:

3+4(4v-7)

determiningTheFunctionDomain
4(4v-7)+3

We multiply parentheses

16v-28+3

We add all the numbers together, and all the variables

16v-25

Back to the equation:

-(16v-25)



We get rid of parentheses

7v-16v+25+20=0

We add all the numbers together, and all the variables

-9v+45=0

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

-9v=-45

v=-45/-9

v=+5

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