42=(30+v)4/2

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Solution for 42=(30+v)4/2 equation: 



42=(30+v)4/2

We move all terms to the left:

42-((30+v)4/2)=0

We add all the numbers together, and all the variables

-((v+30)4/2)+42=0

We multiply all the terms by the denominator


-((v+30)4+42*2)=0



We calculate terms in parentheses: -((v+30)4+42*2), so:

(v+30)4+42*2

We add all the numbers together, and all the variables

(v+30)4+84

We multiply parentheses

4v+120+84

We add all the numbers together, and all the variables

4v+204

Back to the equation:

-(4v+204)



We get rid of parentheses

-4v-204=0

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

-4v=204

v=204/-4

v=-51

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