-140=7(4-6v)

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Solution for -140=7(4-6v) equation: 



-140=7(4-6v)

We move all terms to the left:

-140-(7(4-6v))=0

We add all the numbers together, and all the variables

-(7(-6v+4))-140=0



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

7(-6v+4)

We multiply parentheses

-42v+28

Back to the equation:

-(-42v+28)



We get rid of parentheses

42v-28-140=0

We add all the numbers together, and all the variables

42v-168=0

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

42v=168

v=168/42

v=4

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