20.5=-6.5+4(v+4.5)

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Solution for 20.5=-6.5+4(v+4.5) equation: 



20.5=-6.5+4(v+4.5)

We move all terms to the left:

20.5-(-6.5+4(v+4.5))=0



We calculate terms in parentheses: -(-6.5+4(v+4.5)), so:

-6.5+4(v+4.5)

determiningTheFunctionDomain
4(v+4.5)-6.5

We multiply parentheses

4v+18-6.5

We add all the numbers together, and all the variables

4v+11.5

Back to the equation:

-(4v+11.5)



We get rid of parentheses

-4v-11.5+20.5=0

We add all the numbers together, and all the variables

-4v+9=0

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

-4v=-9

v=-9/-4

v=2+1/4

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