-4=2(-1+v)

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Solution for -4=2(-1+v) equation: 



-4=2(-1+v)

We move all terms to the left:

-4-(2(-1+v))=0

We add all the numbers together, and all the variables

-(2(v-1))-4=0



We calculate terms in parentheses: -(2(v-1)), so:

2(v-1)

We multiply parentheses

2v-2

Back to the equation:

-(2v-2)



We get rid of parentheses

-2v+2-4=0

We add all the numbers together, and all the variables

-2v-2=0

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

-2v=2

v=2/-2

v=-1

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