8=28-4v

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Solution for 8=28-4v equation: 



8=28-4v

We move all terms to the left:

8-(28-4v)=0

We add all the numbers together, and all the variables

-(-4v+28)+8=0

We get rid of parentheses

4v-28+8=0

We add all the numbers together, and all the variables

4v-20=0

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

4v=20

v=20/4

v=5

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