-138=-2+4(1+7v)

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Solution for -138=-2+4(1+7v) equation: 



-138=-2+4(1+7v)

We move all terms to the left:

-138-(-2+4(1+7v))=0

We add all the numbers together, and all the variables

-(-2+4(7v+1))-138=0



We calculate terms in parentheses: -(-2+4(7v+1)), so:

-2+4(7v+1)

determiningTheFunctionDomain
4(7v+1)-2

We multiply parentheses

28v+4-2

We add all the numbers together, and all the variables

28v+2

Back to the equation:

-(28v+2)



We get rid of parentheses

-28v-2-138=0

We add all the numbers together, and all the variables

-28v-140=0

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

-28v=140

v=140/-28

v=-5

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