7(8v-4)=-420

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Solution for 7(8v-4)=-420 equation: 



7(8v-4)=-420

We move all terms to the left:

7(8v-4)-(-420)=0

We add all the numbers together, and all the variables

7(8v-4)+420=0

We multiply parentheses

56v-28+420=0

We add all the numbers together, and all the variables

56v+392=0

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

56v=-392

v=-392/56

v=-7

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