2-4(5v-7)=6v-4(7-8v)

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Solution for 2-4(5v-7)=6v-4(7-8v) equation: 



2-4(5v-7)=6v-4(7-8v)

We move all terms to the left:

2-4(5v-7)-(6v-4(7-8v))=0

We add all the numbers together, and all the variables

-4(5v-7)-(6v-4(-8v+7))+2=0

We multiply parentheses

-20v-(6v-4(-8v+7))+28+2=0



We calculate terms in parentheses: -(6v-4(-8v+7)), so:

6v-4(-8v+7)

We multiply parentheses

6v+32v-28

We add all the numbers together, and all the variables

38v-28

Back to the equation:

-(38v-28)



We add all the numbers together, and all the variables

-20v-(38v-28)+30=0

We get rid of parentheses

-20v-38v+28+30=0

We add all the numbers together, and all the variables

-58v+58=0

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

-58v=-58

v=-58/-58

v=1

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