-6(v+1)=21(1-3v)-7

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Solution for -6(v+1)=21(1-3v)-7 equation: 



-6(v+1)=21(1-3v)-7

We move all terms to the left:

-6(v+1)-(21(1-3v)-7)=0

We add all the numbers together, and all the variables

-6(v+1)-(21(-3v+1)-7)=0

We multiply parentheses

-6v-(21(-3v+1)-7)-6=0



We calculate terms in parentheses: -(21(-3v+1)-7), so:

21(-3v+1)-7

We multiply parentheses

-63v+21-7

We add all the numbers together, and all the variables

-63v+14

Back to the equation:

-(-63v+14)



We get rid of parentheses

-6v+63v-14-6=0

We add all the numbers together, and all the variables

57v-20=0

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

57v=20

v=20/57

v=20/57

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