3=7-4v

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Solution for 3=7-4v equation: 



3=7-4v

We move all terms to the left:

3-(7-4v)=0

We add all the numbers together, and all the variables

-(-4v+7)+3=0

We get rid of parentheses

4v-7+3=0

We add all the numbers together, and all the variables

4v-4=0

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

4v=4

v=4/4

v=1

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