21+8v=3(1+7v)+5

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Solution for 21+8v=3(1+7v)+5 equation: 



21+8v=3(1+7v)+5

We move all terms to the left:

21+8v-(3(1+7v)+5)=0

We add all the numbers together, and all the variables

8v-(3(7v+1)+5)+21=0



We calculate terms in parentheses: -(3(7v+1)+5), so:

3(7v+1)+5

We multiply parentheses

21v+3+5

We add all the numbers together, and all the variables

21v+8

Back to the equation:

-(21v+8)



We get rid of parentheses

8v-21v-8+21=0

We add all the numbers together, and all the variables

-13v+13=0

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

-13v=-13

v=-13/-13

v=1

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