-121=7(4-7v)-2

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Solution for -121=7(4-7v)-2 equation: 



-121=7(4-7v)-2

We move all terms to the left:

-121-(7(4-7v)-2)=0

We add all the numbers together, and all the variables

-(7(-7v+4)-2)-121=0



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

7(-7v+4)-2

We multiply parentheses

-49v+28-2

We add all the numbers together, and all the variables

-49v+26

Back to the equation:

-(-49v+26)



We get rid of parentheses

49v-26-121=0

We add all the numbers together, and all the variables

49v-147=0

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

49v=147

v=147/49

v=3

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