171=7+4(-1+7v)

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Solution for 171=7+4(-1+7v) equation: 



171=7+4(-1+7v)

We move all terms to the left:

171-(7+4(-1+7v))=0

We add all the numbers together, and all the variables

-(7+4(7v-1))+171=0



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

7+4(7v-1)

determiningTheFunctionDomain
4(7v-1)+7

We multiply parentheses

28v-4+7

We add all the numbers together, and all the variables

28v+3

Back to the equation:

-(28v+3)



We get rid of parentheses

-28v-3+171=0

We add all the numbers together, and all the variables

-28v+168=0

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

-28v=-168

v=-168/-28

v=+6

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